InGrappling for Coaches

Americana — figure-four to the mat in external rotation. Inverse of the kimura. Primary submission from mount. Submission grappling reference.

Armbar — elbow hyperextension with hip as fulcrum, arm isolated from body. Connects to triangle and kimura via chain attacks. Submission grappling reference.

The body lock pass in no-gi: wrapping both legs to eliminate hooks and drive through the guard. The primary answer to butterfly Submission grappling reference.

Butterfly guard uses both hooks inside the opponent's thighs to elevate and destabilise a kneeling passer. The underhook Submission grappling reference.

Butterfly hook sweep — underhook controls direction, hook elevates and tips the top player. Foundation of the butterfly system. Submission grappling reference.

Closed guard — legs locked around the top player’s waist, passing blocked until opened. Sweeps and submissions from bottom. Submission grappling reference.

Kneeling closed guard break — open the closed guard without standing. Sit back onto heels, wedge elbow to far knee, push outward while keeping posture. Low-risk alternative to standing.

Standing closed guard break — the primary method of opening a closed guard in no-gi. Post on the hips, stand with one knee up, and drop weight through the wedge to open the lock.

Double leg — head at the hip, shoulder through both legs. Deepest level change of any takedown. Primary defence is the sprawl. Submission grappling reference.

The transitional four-point position: both players' knees on the mat, both hands posted. The breakdown chain for the top Submission grappling reference.

Front headlock ground control — cervical spine control that leads the body. Primary platform for guillotine, D’Arce, anaconda. Submission grappling reference.

The standing front headlock: head-and-arm control from the upright position. The clinch-level position that precedes the ground Submission grappling reference.

Escape movements — bridge, shrimp, Granby roll, sit-out, stand-up, kipping. All named escapes are built from these six. Submission grappling reference.

Guard pulling is a deliberate strategic choice to initiate ground fighting from the bottom — not a failed takedown. The Submission grappling reference.

Guard retention in no-gi: the universal principles for keeping guard when the passer is threatening. Covers the three-stage Submission grappling reference.

Half guard — trapping one of the top player's legs. One side of the foot line conceded; underhook battle determines the outcome. Submission grappling reference.

Half guard passing in no-gi — extracting a trapped leg from half guard. Flatten the bottom, win the whizzer-underhook fight, then branch to smash, knee-cut, back-step, or leg-drag.

Headquarters is the kneeling top position between passing and control — one knee up, one knee down beside the opponent's hip. Submission grappling reference.

Hip bump sweep — sit-up, wrist control, and hip explosion from closed guard. Creates immediate sweep or kimura entry. Submission grappling reference.

The knee cut pass in no-gi: driving the knee across the bottom player's thigh to clear the guard and establish side control. Submission grappling reference.

Mount bottom — defending full mount, the highest-danger pin. Top player across the hips; preventing high mount is the priority. Submission grappling reference.

The mount is the highest-percentage finishing position in top grappling. The top player sits on the opponent's torso Submission grappling reference.

Mount escape — trap and roll, elbow-knee, ghost, kipping, foot drag, bridge to turtle. Written from the defender's perspective. Submission grappling reference.

Over-under clinch — overhook over the near shoulder, underhook under the far arm. Primary no-gi contact position. Submission grappling reference.

The pendulum sweep from closed guard: trapping the arm and driving the leg to rotate the passer. The fundamental closed guard Submission grappling reference.

The primary submission from back control. Bilateral carotid compression applied from the seatbelt or body triangle. The most Submission grappling reference.

Rear naked choke escape — chin tuck, grip fight, seat drop, strong-side turn, Peterson roll. Prevention is the primary defence. Submission grappling reference.

The scissor sweep in no-gi: shin-across-the-thigh and heel-hook-behind-the-knee mechanics as a fundamental weight-unloading Submission grappling reference.

Scramble framework — three-task hierarchy, height and hip height principle, position selection and decision-making. Submission grappling reference.

Seated guard is the foundational open guard — feet active between the passer's knees, head up, hands ready to frame or attack. Submission grappling reference.

Shin-on-shin is a fundamental seated guard entry position — the connecting configuration between seated guard and single leg X Submission grappling reference.

The defensive view of side control — when the opponent has completed a pass and holds the pin. The most common situation Submission grappling reference.

Side control — chest-to-chest pin after a guard pass. Primary platform for kimura, arm triangle, D’Arce, and transitions. Submission grappling reference.

Side control escape techniques — hip escape, ghost escape, Granby roll, single leg escape, underhook recovery. Submission grappling reference.

The single collar tie — one hand on the back of the opponent's head — is the standard initial engagement position. It controls Submission grappling reference.

Single leg — penetration step to the outside of the near leg; shoulder drives through to complete the takedown. Submission grappling reference.

Sit-out and stand-up mechanics — highest-priority exit in the scramble hierarchy. Technical execution from bottom positions. Submission grappling reference.

Sprawl — defensive hip-weight transfer against single- and double-leg shots. Entry to the front headlock family. Leads to ground control, guillotine, D'arce, and anaconda.

Sprawl — primary takedown defence: hips down, legs behind the attacker. Creates front headlock for guillotines and anacondas. Submission grappling reference.

The stack position is a guard passing pressure tool in which the top player drives the bottom player's hips up over their Submission grappling reference.

Standing — the default start of all grappling exchanges. Stance, base, and distance management determine what is available. Submission grappling reference.

The straight ankle lock — Achilles lock — is the foundational lower limb submission. Legal in all major rulesets. Understanding Submission grappling reference.

Straight ankle lock escape — boot defence, hide the heel, pommel the knee line, pull out to combat base. Foundational leg lock defence. Submission grappling reference.

Supine guard — lying on the back with feet active, used as a transitional state to reach seated guard or leg entanglement entries. Submission grappling reference.

Top butterfly — low base requirement to manage hook exposure; passing frameworks from butterfly top. Submission grappling reference.

Top half guard — underhook battle and flattening mechanics; passing options: back step, knee cut, and toreando. Submission grappling reference.

The toreando (bullfighter) pass in no-gi: controlling both shins and redirecting the legs to pass around to the side. The Submission grappling reference.

The tripod pass: using a foot-on-hip and shin-control combination to break the guard and step through. A standing pass complementary to the toreando.

Tripod sweep — opposing push-pull forces; one foot on the hip, one hand on the ankle, removing the opponent’s base. Submission grappling reference.

Turtle bottom — four-tier escape hierarchy and common defensive failures. Exit before seatbelt or headlock is established. Submission grappling reference.

Turtle top — Jones attack hierarchy, back take pathways, crucifix entry, four-point breakdown. Attacking the turtled opponent. Submission grappling reference.

Underhook half guard — offensive half guard with the underhook on the shoulder. Base for dogfight, lockdown, and sweeps. Submission grappling reference.

Wrestling up is the act of returning to a standing base from the turtle bottom position. It is the primary proactive escape Submission grappling reference.

Z-guard (knee shield) — elevated knee frame against the hip; underhook battle and exits to scorpion, butterfly, back takes. Submission grappling reference.

The 50/50 is the symmetric leg entanglement — both players have equal structural access to each other's heel. Understanding Submission grappling reference.

The ankle pick is a precision takedown — controlling one ankle and pulling it forward while the opponent's weight is on it. Submission grappling reference.

Arm drag — opponent’s arm used as a handle to redirect their body; pulling across the centreline exposes the back. Submission grappling reference.

Arm triangle (kata gatame) — near arm pressed against the opponent’s neck; attacking arm wraps to complete the blood choke. Submission grappling reference.

Arm triangle escape — hide the shoulder, turn into the attacker, step back the leg to prevent mount, fall off the far side. Head-and-arm choke defence. Submission grappling reference.

Armbar escape — grip fight, stack, elbow pummel, leg trap, hitchhiker. The hitchhiker is the canonical no-gi armbar escape. Submission grappling reference.

Ashi garami (single leg X) — foundational leg entanglement; inside space prevents extraction and creates heel hook access. Submission grappling reference.

Back hand-fight defence — chin tuck, two-on-one on the strangle wrist, elbow-to-hip control, palm shield against the jaw pry. The pre-RNC grip system that buys time for the full escape.

Back escape to turtle — when face-out isn't available, belly-down and recover to turtle. Flattens the attacker's strangle threat, exits via all-fours posture. Submission grappling reference.

The transitional moment of first back access — before any grip system is established. The hub that connects every back take Submission grappling reference.

Back step pass — near leg stepped backward to extract from top half guard or stalled knee cut. Creates the passing angle. Submission grappling reference.

Back entries — every route into back control from standing, guard, top, and leg entanglements. Hub for the back attack system. Submission grappling reference.

Backpack position — chest-to-back back control without leg hooks. Double overhooks or seatbelt with no hooks set. Transitional or standing back control context. Submission grappling reference.

Bulldog choke — both forearms under the chin from turtle top. Bilateral carotid compression; effective when the chin is exposed. Submission grappling reference.

Bulldog choke escape — chin tuck denies both arms the insertion window; strip one arm to break bilateral compression; turn to one side to eliminate the geometry. Submission grappling reference.

Butterfly arm drag — arm drag clears the near arm, exposing the back or creating a single leg angle. Back take or sweep. Submission grappling reference.

Butterfly ashi — butterfly hook becomes ashi garami when top player steps in. Entry to the leg entanglement cluster. Submission grappling reference.

Butterfly hook break — kill the hook elevation, fold the knees down, pin a thigh to engage passing. Prerequisite for body-lock, knee-cut, and smash passes against butterfly guard.

Butterfly sumi — sacrifice throw from butterfly guard: backward fall, hook lift, chest connection. Weight drives the reversal. Submission grappling reference.

The Can Opener is a cervical hyperflexion submission from inside the opponent's closed guard. Both hands grip the head and force it forward, loading the cervical spine. Legal in ADCC.

Clamp — deep overhook and body lock isolating one arm from guard. Platform for triangle, armbar, omoplata, kimura, leg locks. Submission grappling reference.

The claw grip is a transitional upper body control from the folkstyle wrestling family. The curved-finger grip on the near Submission grappling reference.

De ashi harai — lateral foot sweep at the moment of weight transfer. Too early or too late and the sweep fails. Submission grappling reference.

De La Riva hook break — kill the hook by killing the foot-on-hip frame, defeat the sleeve/ankle grip, step back to clear the hook. Prerequisite for passing DLR guard. Submission grappling reference.

De la Riva guard in no-gi: the DLR hook and shin grip as an entry platform to leg entanglements, tripod sweeps, and back takes. Submission grappling reference.

Deep half back take — when the opponent posts forward to defend the sweep, the bottom player converts to the back take. Submission grappling reference.

Deep half guard — bottom player scoops under, head near the far hip. Sweeps from underneath as the top player tries to flatten. Submission grappling reference.

The deep half sweep in no-gi: from deep half guard, secure the hip underhook and roll the opponent over the top to mount. The Submission grappling reference.

The dogfight is the neutral kneeling scramble that arises from half guard when both players are fighting for the underhook. Submission grappling reference.

The double collar tie — both hands on the back of the opponent's neck — creates the clinch snap and the hip throw entry. The Submission grappling reference.

Double shin guard sweep in no-gi: controlling both shins to disrupt posture and force a sweep or leg entanglement. Covers Submission grappling reference.

Double under pass — both arms under the bottom player’s legs; stack upright, cartwheel or dump to complete. Submission grappling reference.

Double underhooks give the most hip control of any clinch position — both arms under the opponent's, both hips accessible. The Submission grappling reference.

The duck under dips the head under the opponent's near arm and emerges on their far side, converting a front clinch into rear or side body control. A fundamental wrestling back-take from a tie-up.

Ezekiel choke escape (no-gi) — chin tuck before the insertion, peel the inserting arm's wrist, turn into the elbow side, bridge and recover. Submission grappling reference.

False reap — outside leg threads across the near leg, mirror of the reap. Access to ashi, outside ashi, cross ashi, and 50/50. Submission grappling reference.

Fireman's carry — drops under the arm and through the legs to load the opponent across the shoulders. Shoulder is the fulcrum. Submission grappling reference.

The front body lock — both arms wrapped around the opponent's torso from the front — provides the highest level of positional Submission grappling reference.

The go behind is a standing position change from a front or side position to a full rear position, stepping or spinning around the opponent's side. Foundation for standing back takes and body locks.

Guillotine — primary vascular choke from the front headlock. High-elbow finish from guard and standing. Submission grappling reference.

Guillotine escape — posture, side step pass, chin tuck, roll through, arm-in escape. Side step pass is the canonical escape. Submission grappling reference.

Half butterfly guard in no-gi: one leg trapped in the half guard configuration while the free leg inserts a butterfly hook Submission grappling reference.

Heel hook escape — hide the heel, clear the knee line, mechanics for ashi, outside ashi, cross ashi. Tap at late-stage rotation. Submission grappling reference.

Heist sweep — from X-guard; hip-under entry and leg-lift finish disrupts the opponent’s base. Submission grappling reference.

High crotch — between single and double leg: head at hip level, arm under the crotch. Converts to double leg or spins to back. Submission grappling reference.

High guard — closed guard variant with elevated hips and legs riding high. Primary platform for triangle and armbar entries. Submission grappling reference.

Hip throw — attacker turns in, places hip inside the opponent's, loads them over the fulcrum. O-goshi, Mune-nage, and variants. Submission grappling reference.

The inside heel hook — primary submission from cross ashi / saddle. Loads the ACL and medial structures through internal Submission grappling reference.

The inside trip hooks the opponent's near leg from inside with the practitioner's near leg and trips or sweeps it outward, while upper body pressure drives the opponent over the tripped leg.

Kata gatame — head-and-arm control for the arm triangle. Shoulder into neck, arm trapped; creates bilateral carotid compression. Submission grappling reference.

Kata gatame bottom — defending head-and-arm control. Top player's shoulder driven into the neck with the defender's near arm trapped against their own throat; arm triangle is the primary finish.

Kesa gatame — hip-seated position securing head and near arm. Weight distribution and arm structure are the control mechanism. Submission grappling reference.

Kesa gatame bottom — defending the scarf hold. Top player seated perpendicular with head-and-arm control; near arm trapped under the top player's armpit. Submission grappling reference.

Kesa gatame escape — posting frame, bridge and roll reversal, granby exit, pummelling to recover the trapped arm, hip-out to half guard. Written from the defender's perspective.

Kimura — figure-four shoulder lock in internal rotation and extension. The submission finish of the system; powers back takes. Submission grappling reference.

Kimura control — figure-four grip used positionally. From this grip: back take, turtle control, mount, or submission chain. Submission grappling reference.

Knee on belly bottom — top knee into the abdomen. Instinctive push opens the armbar. Two-hand removal is the correct response. Submission grappling reference.

Knee on belly — knee into the torso; reactions are exploited. Pushing opens the armbar; reaching opens the triangle. Submission grappling reference.

Named escape techniques from knee on belly — ankle grip and hip escape, underhook escape, knee shield push, and roll under. Submission grappling reference.

Knee shield break — neutralise the Z-guard / half-guard shield by crushing, stepping over, or pummelling under the blocking knee. Required for passing any shield-style half guard.

The knee tap taps the opponent's near knee inward from a single leg grip or clinch, buckling the knee and dropping the opponent to the mat. Effective vs stepping opponents and as a single leg finish.

Kneebar — hyperextends the knee by trapping the foot and driving the hip into the back of the knee. Legal in ADCC and EBI. Submission grappling reference.

Kneebar escape — bend the knee, hip in toward the attacker, stack and step over, roll with the extension. Elevated-risk leg lock defence. Submission grappling reference.

Kouchi gari — inner reap hooking inside the near ankle, reaping backward. Weight must be on the reaped leg at contact. Submission grappling reference.

Leg drag pass — one leg controlled and dragged across the body to create a passing angle. Primary pass from open guard. Submission grappling reference.

Leg drag position — the held state between completing the leg drag and achieving side control, where the top player controls the legs but has not yet pinned. Submission grappling reference.

The leg ride is the foundational ride-based control in the folkstyle wrestling family. One leg threaded over the opponent's Submission grappling reference.

Lockdown — half guard with the top leg in a figure-four. Controls mobility; foundation of dogfight and electric chair. Submission grappling reference.

Long step pass — outside leg steps wide around the guard player’s legs; hips follow to complete the pass. Submission grappling reference.

Half lower leg sweep — from Z-guard or half guard, near-knee hook and underhook sweep. Ducking to defend opens the back. Submission grappling reference.

The near ankle ride grips the bottom player's near ankle from turtle top, controlling the near leg to prevent standup and enable tilts and turns. A foundational leg-control top position in folkstyle.

Ninja choke escape — chin tuck denies forearm insertion; prevent figure-four closure during the hook phase; posture and step through in guard; level change against the standing finish.

North-south bottom — opponent facing the feet, weight on the chest. Kimura threat is immediate. Primary escape: bridge and hip. Submission grappling reference.

North-south is an underutilised control position where the top player is chest-to-chest with the opponent but facing the feet. Submission grappling reference.

North-south escape techniques — hip escape, Granby roll to deep half, arm drag counter, sit-up scramble. Early movement is key. Submission grappling reference.

Octopus top — passer's view against octopus guard. Back take and kosoto sweep are the threats. Near hip away is the defence. Submission grappling reference.

Butterfly sweep mechanics applied from octopus guard: combining the underhook and body-lock control with a butterfly hook lift to sweep the passer forward.

Octopus guard: the deep overhook from a seated position as a back take platform, sweep system, and front headlock entry. Covers Submission grappling reference.

Kosoto gake (small outside reap) from octopus guard: using the body-lock and leg connection to reap the far ankle while pulling Submission grappling reference.

Omoplata escape — posture forward, forward roll, cartwheel over, step over the head. Shoulder defence from guard. Submission grappling reference.

Outside ashi standing — transitional leg control while the opponent is upright; entry into ground leg entanglement system. Submission grappling reference.

Outside ashi garami — outside leg entanglement variant; outside heel hook is the primary submission from this position. Submission grappling reference.

The outside heel hook — primary submission from ashi garami and outside ashi. Loads medial knee structures through external Submission grappling reference.

The outside trip hooks the opponent's near leg from the outside — stepping behind or around the lead leg — and trips it inward while upper body pressure drives the opponent over the tripped leg.

The outside tripod sweep places the pushing foot on the outside of the opponent's hip rather than the belly. This angle is Submission grappling reference.

The over-under pass in no-gi: one arm over the leg and one arm under to create a body lock and drive through the guard with controlled pressure.

The overhead sweep from closed guard in no-gi: using the passer's forward pressure against them to roll them overhead and come up on top.

Pinch headlock — underhook at the elbow with head pulled tight. Threatens sumi gaeshi, back take, and leg entanglement entries. Submission grappling reference.

Power nelson — arms under armpits, hands behind the head. Shoulder blade pressure; legal and distinct from the full nelson. Submission grappling reference.

Quarter mount — top position at 45 degrees between side control and mount. Natural intermediate in the mount entry sequence. Submission grappling reference.

Quarter mount bottom — defending the 45-degree transitional mount before it consolidates to flat mount or converts to kimura. The defensive window is short; the framing elbow is your only tool.

RDLR back step sweep — when the passer back steps out of RDLR, the bottom player reads the reaction and completes the sweep. Submission grappling reference.

The RDLR back take in no-gi: from reverse de la riva, invert through the space under the opponent's hips and take the back. The Submission grappling reference.

Rear body lock — both arms around the opponent’s torso from behind, hip-to-hip. Standing precursor to back take entries. Submission grappling reference.

Reverse De la Riva in no-gi: the inside hook as a transition hub between DLR, K-guard, and leg entanglements. Covers the hook Submission grappling reference.

Reverse guard is a facing-away guard position — the bottom player's back is toward the opponent. Provides direct outside ashi Submission grappling reference.

Reverse kesa gatame — kesa rotated 180 degrees, top player facing the feet. Near arm and leg controlled from the reverse side. Submission grappling reference.

Reverse kesa gatame bottom — defending the reverse scarf hold. Top player hip-seated facing the defender's feet; primary threat is the near-arm kimura. Submission grappling reference.

Reverse tripod sweep — push-pull base disruption from the reverse DLR hook. Same mechanics as the standard tripod. Submission grappling reference.

Rolls and reversals — Granby roll, inside arm roll, outside arm roll. Guard recovery mechanics from turtle and bottom positions. Submission grappling reference.

Russian tie — two hands on one arm; superior arm control for single leg, double leg, ankle pick, and arm drag entries. Submission grappling reference.

Scorpion — half guard variant with trapping foot outside the top player's knee. Opens waiter sweep and back take. Submission grappling reference.

Half scorpion sweep — near knee hook and underhook tip the top player to side control. Back take opens when top player ducks. Submission grappling reference.

Half scorpion back take — top player ducks and drives hips up to defend the sweep, exposing the back for the bottom player. Submission grappling reference.

Seatbelt back control — over-under grip with strangle hand over the shoulder, control hand under the armpit. Submission grappling reference.

Back escape from seatbelt — chin tuck, hook removal, hip turn, face the opponent. Three-step system with staged defence. Submission grappling reference.

Seated guard engagement — first-contact actions that convert a live seated guard into a passable supine guard. Closing distance, hand-fighting, denying butterfly hooks, flattening the bottom.

Shelf — leg ride variant with the near leg lifted across the top player’s thigh, exposing the back. Submission grappling reference.

Shoelace heist — stand-up reversal from single leg X with heel-outside grip. Bottom player stands and converts to top. Submission grappling reference.

The short sit is a folkstyle bottom escape — sit out to the near side, swinging the near hip and leg out from referee's position bottom, to face the top player from seated. Initiates the reversal.

The side scissors sweep from closed guard: hip-escaping laterally to attack a perpendicular angle and sweep the passer with crossed-leg pressure.

Single Leg X in the guard context — where ashi garami is established as a guard configuration before the entanglement is Submission grappling reference.

SLX back take — from Single Leg X, invert toward the opponent’s back and take the seatbelt position. Submission grappling reference.

SLX stand-up sweep — from Single Leg X, extend the inside hook to force the opponent up, then finish the takedown. Submission grappling reference.

Smash pass — stack and flatten the guard player’s legs; drive through the knee shield with shoulder pressure to complete. Submission grappling reference.

The snap down pulls the opponent's head sharply downward from a collar tie or head control, forcing them to turtle or four-point. A foundational setup for front headlock and back control entries.

The split squat pass: a pressure-based half guard pass using a wide split stance to flatten the bottom player and grind through the guard.

Triangle — bilateral carotid compression from guard. Opponent's inside arm presses against their neck to close half the choke. Submission grappling reference.

Standing front headlock — after a snap down; guillotine, D’Arce, and back take entries before the opponent recovers. Submission grappling reference.

Standing passer against a seated guard player — butterfly, shin-on-shin, seated. Grip fighting, distance management, and preventing wrestle-ups. Submission grappling reference.

Standing passer against an opponent lying on their back — closed guard, De la Riva, X-guard. Gravity-assisted pressure, leg stretching, and footwork around extended legs.

Straight shoulder lock — arm in extension; downward shoulder pressure. Available from mount, side control, and knee on belly. Submission grappling reference.

The reap — seated guard entry threading inside leg across. Creates ashi, outside ashi, or cross ashi depending on the response. Submission grappling reference.

The toe hold attacks the foot and ankle through rotation. Available from multiple leg entanglement positions. Restricted in some competitive formats.

Toe hold escape — deny the grip, straighten the knee, rotate the foot internally, stack and counter. Elevated-risk leg lock defence. Submission grappling reference.

The complete positional transition map: what follows what and why, derived from the canonical relationship table. Covers all Submission grappling reference.

Triangle escape — posture, hide the arm, spin before the lock, double under, tilt, stack and walk. Early defence is essential. Submission grappling reference.

Turk — folkstyle control under the near arm and around the neck. Kimura is the primary submission; flattening is the objective. Submission grappling reference.

Turtle escape techniques — Granby roll, sit-out, switch, Peterson roll, hip heist. Transitional position exit. Submission grappling reference.

Waiter position — deep half guard variant; far leg underhook creates sweep leverage and back take entries. Submission grappling reference.

Half waiter sweep — far leg lifted to remove the top player’s base, then hip escape to come on top. From waiter position. Submission grappling reference.

Wrist ride — folkstyle base-disruption tool; pinning the opponent’s wrist to the mat exposes the back and prevents recovery. Submission grappling reference.

X-guard controls one of the standing opponent's legs with both of the bottom player's legs in an X configuration. Hip elevation Submission grappling reference.

The X-guard back take in no-gi: from X-guard, turn the opponent and thread behind to take the back rather than sweeping. Used Submission grappling reference.

The X-guard tilt sweep in no-gi: from X-guard, elevate the captured leg and tilt the opponent to either the near or far side. Submission grappling reference.

The 3/4 armbar is the bent-arm counter to the standard armbar — entered when the opponent bends their arm to defend. Rather Submission grappling reference.

The anaconda choke: the arm threads under the near arm and under the far side of the neck — the reverse of the D'arce. Requires Submission grappling reference.

The Aoki lock attacks the medial knee through a specific reverse leg configuration from ashi garami. A compression and torsion Submission grappling reference.

Arm-in guillotine — near arm inside the choke; tighter vascular compression than the arm-out variant. Submission grappling reference.

Arm-in triangle — neck and one arm inside the triangle. The arm creates a barrier; tighter mechanics required for compression. Submission grappling reference.

Harness back control escape — over-under (gable grip) is inert as a finish but robust as a hold. Force the RNC transition and defend it. Granby roll works against the over-arm side.

Standing back defence — piggyback/backpack escape. Hand-fight the standing RNC, controlled fall to disrupt hooks, wall-pin to crush the attacker's ribs, shoulder-roll to land on top.

Leg-based strangle from back control — legs lock in a triangle figure-four around the neck and near arm. Distinct from the rear Submission grappling reference.

Backside 50/50 — asymmetric 50/50 where one player has back exposure advantage; primary submission is the outside heel hook. Submission grappling reference.

The Banana Split is a hip and adductor submission applied from cross ashi / saddle / honey hole. One leg is pushed forward Submission grappling reference.

Baseball bat choke — cross-grip forearms against the neck with a torquing finish. Available from back, knee on belly, crucifix. Submission grappling reference.

Belly down back — both players prone; entered when opponent rolls from seated back. Opens heel hooks and cross ashi entries. Submission grappling reference.

Berimbolo — inverted rolling from De la Riva, RDLR, 50/50, seated guard. Exits to back control, crab ride, leg entanglements. Submission grappling reference.

Body triangle — figure-four legs around the torso from back control. Removes the bridge, loads the ribs, compounds the strangle. Submission grappling reference.

Body triangle back control escape — bridge unavailable; lateral rotation toward the opponent is the primary exit. Submission grappling reference.

The brabo choke in no-gi: a D'Arce variant entered from top guard or top half guard rather than from turtle. The attacker's arm Submission grappling reference.

The buggy choke in no-gi: a self-defence roll executed from bottom mount or bottom side control that threads the attacker's own Submission grappling reference.

Calf slicer — calf compressed against attacker’s bone; loads the knee through combined compression and rotation. Submission grappling reference.

Chicken wing ride — the near arm is levered behind the opponent's own back, elbow bent upward behind the shoulder blade, maintaining turtle top control. A breakdown platform, not a submission.

Choi Bar — shoulder rotation submission; arm pulled across the body while the shoulder is externally rotated. From side control. Submission grappling reference.

Clamp pass — recover posture against the overhook, defeat the closed guard lock, and disengage the submission platform. How to pass the clamp position. Submission grappling reference.

Cross ashi garami — inside heel hook position: saddle, inside sankaku, honey hole. Hardest to escape; shortest injury timeline. Submission grappling reference.

Cross-chest armbar — attacks the arm crossing the chest when opponent frames from side control. Compresses the elbow downward. Submission grappling reference.

Crucifix bottom — near arm trapped between top player legs, bottom player on the side. Entry prevention is the primary defence. Submission grappling reference.

Crucifix — near arm trapped between top player legs, far arm separately controlled. Both arms isolated; opponent cannot defend. Submission grappling reference.

D’Arce and anaconda escape — clear the arm early, tight turtle, roll to back take counter, arm drag counter, stack and post. Submission grappling reference.

The D'arce choke: arm-in triangle applied from the front headlock when the near arm is posted. The choking arm threads under Submission grappling reference.

Electric chair — from deep half, far leg captured and extended to stretch the inner thigh. Categorised in the kimura system. Submission grappling reference.

The Estima lock is a rapid foot and ankle submission using a rear-naked-choke-style grip on the foot, finished by driving the foot into the attacker's own body. Distinct from the toe hold.

The Ezekiel choke in no-gi: the attacking arm is inserted under the opponent's chin, the gripping arm holds the wrist. The Submission grappling reference.

The folding pass pins the opponent's knees to their chest and folds the legs to one side, removing framing and clearing the path to side control. Applied against half guard and closed guard.

Garrot choke — wrist and bicep compress both carotids without a figure-four grip. Applied from back control and turtle. Submission grappling reference.

Gift wrap — the opponent's arm is taken from mount or side control and folded across their own face and neck. A one-arm control that opens back takes, arm triangles, and rear naked choke setups.

Gift wrap bottom — your own arm folded across your face and controlled from mount, neutralising a primary defensive tool. Defence is a race against the back take, not a pin escape.

The Granby roll is a defensive rolling escape from turtle or referee's position bottom — roll across one shoulder while threading a leg through, creating a 180-degree reversal to guard or a scramble.

Half butterfly pass — kill the butterfly hook, flatten the bottom player, and pass the hybrid half guard. How to defeat the half butterfly position. Submission grappling reference.

The hammerlock folds the opponent's arm behind their back, attacking the shoulder via internal rotation and extension. Applied from side control and back control when the arm is exposed.

Harai Goshi — sweeping hip throw; full hip insertion with outer thigh/hip sweep. Companion to Uchi Mata; similar entries, different leg target. Submission grappling reference.

Over-under back control — one arm over the shoulder (overhook), one arm under the armpit (underhook). Less immediate strangle Submission grappling reference.

High elbow guillotine — elbow points upward alongside the head. Different mechanical action; enables a seated guard finish. Submission grappling reference.

High elbow guillotine escape — chin tuck alone is not enough; shoulder-to-ear denies the carotid angle, clear the elbow to break the grip, step through from guard.

High guard pass — defeat the elevated closed guard with legs high on the back, strip the meathook arm control, and escape the triangle-omoplata-armbar platform. Submission grappling reference.

High step pass — lifts the near foot high over the opponent's near leg and steps it to the far side, creating a sudden angle change that bypasses hook-based guards. Applied vs butterfly and X-guard.

Homer Simpson sweep — hooks the bottom player's near leg behind the standing opponent's far leg while the hand pulls the near leg forward, sweeping the opponent over their far foot. From seated guard.

Inverted armbar — attacks the elbow in supination with the arm rotated so the elbow faces upward; the attacker's chest or shoulder is the fulcrum. Entries from half guard top and closed guard top.

The Iowa ride combines a tight waist with near arm or leg control for sustained top pressure. The signature finish is the tight waist tilt — rotating from turtle to the back via the waist grip.

Ippon Seoi Nage — single shoulder throw; drop variant most used in no-gi competition. Arm over shoulder, hip and back rotation. Submission grappling reference.

Japanese necktie escape — deny the figure-four by pinning the near arm, posture the neck before grip locks, roll into the attacker to unload the crank, and tap early to dual mechanisms.

K-Guard is a specific guard configuration designed as a direct inside heel hook entry system. The leg arrangement naturally exposes the inside heel for attack.

K-Guard in the entanglement context — when the K-guard configuration transitions from a guard position to a confirmed leg Submission grappling reference.

Kata gatame from front headlock — chest pins near arm against neck; attacking arm over the neck completes the triangle. Submission grappling reference.

Kimura escape — elbow to body, thigh grip, walk the wall, kimura counter roll. Early connection prevents arm isolation. Submission grappling reference.

Kimura trap — figure-four grip as a dilemma. Keeping position while defending is impossible; each defence opens a new attack. Submission grappling reference.

Kiss of the Dragon — Granby roll under the opponent from turtle bottom to expose the back. Direct back take entry. Submission grappling reference.

The lateral drop drops the practitioner to the side while pulling the opponent's upper body across, throwing them over the dropping body. Applied from body locks, underhooks, and collar ties.

The leg weave pass threads the top player's arm between the opponent's legs to control the near leg from inside, creating a passing platform that limits hip escape. Vs half, Z-guard, and butterfly.

Lockdown pass — defeat the figure-four calf hook, recover the trapped leg, and pass the half guard. How to escape and pass the lockdown position. Submission grappling reference.

The lumberjack sweep grabs the top player's far ankle from half guard or seated guard while creating a lateral tipping force, sweeping the top player over their far leg.

Mexican necktie escape — keep a flat back to deny the leg hook, stand from turtle before the leg lands, drag the hooking foot off the back, and strip the choking arm.

Mir Lock — straight arm shoulder and elbow submission; arm extended then cranked to load both the elbow and shoulder. Submission grappling reference.

Mounted triangle — triangle choke from mount. Legs encircle neck and one arm from above; bilateral carotid compression from top. Submission grappling reference.

Mounted triangle escape — prevent the S-mount arm isolation, block the leg crossing the neck, stack-and-drive the trapped arm out, posture up through the lock. Submission grappling reference.

Ninja choke — no-gi guillotine-D'Arce hybrid. No arms inside; figure-four RNC-style grip. Counter to single leg and defended guillotine. Submission grappling reference.

North-south choke — arm wraps around the far side of the neck under the opponent’s arm; applied from north-south top position. Submission grappling reference.

North-south choke escape — deny the far-arm thread, prevent chest-to-face contact, chin tuck against the scoop, bridge and turn before the rotation finishes. Submission grappling reference.

Octopus guard pass — strip the deep overhook, recover posture, flatten or backstep to pass. How to deal with the seated overhook back-take platform. Submission grappling reference.

Omoplata — legs trap the arm and drive the shoulder into internal rotation. Positional use is on a separate page. Submission grappling reference.

Omoplata control — arm trapped in the legs; submission always available as a threat. Platform for sweeps and back takes. Submission grappling reference.

Outside sankaku in no-gi: the triangled leg control around the opponent's outside leg that serves as the primary outside heel Submission grappling reference.

Peruvian Necktie — front headlock choke using one leg to assist the choking arm. Triangle compression against the neck. Submission grappling reference.

Peruvian necktie escape — deny the front headlock, block the leg swing, base against the roll, and extract the head on the exposed side. Submission grappling reference.

Peterson roll — executed from near-arm underhook control on a turtled opponent. The top player drives the opponent's near arm across the body and rolls them over their far shoulder to the back.

Rear triangle — legs-around-neck blood choke applied from behind the opponent. Triangle configuration applied with the legs. Submission grappling reference.

Reverse guard in the entanglement context — facing away from the opponent with a leg captured. Outside heel hook and kneebar Submission grappling reference.

Reverse triangle (hantaisankaku) — leg crosses the front of the neck from the opposite direction. Available from north-south. Submission grappling reference.

Rubber guard — leg-behind-neck guard pinning posture and freeing both hands. Platform for omoplata, gogoplata, and triangle. Submission grappling reference.

S-mount — high mount with one leg over the far arm. Opens armbar, mounted triangle, and kimura from the top position. Submission grappling reference.

S-mount bottom — defending the high mount with one leg over the far arm. Armbar, mounted triangle, and kimura are all seconds away; defence must prevent arm extension and the fall-back.

S-mount escape — hide the elbow, stack the fall-back, hitchhiker escape, stuff-and-spin. Arm protection is the primary priority because the arm is already isolated. Submission grappling reference.

Scorpion pass — defeat the outside knee hook, deny the hip extension sweep, and pass the lower-leg-shift half guard. Submission grappling reference.

Short choke — rear strangle using the under-chin arm path. Primary option when chin tuck blocks the rear naked choke. Submission grappling reference.

The sickle sweep hooks the bottom player's leg behind the standing opponent's far ankle in a scything motion, pulling the ankle out while pushing the upper body. From seated and sitting guard.

Spiral ride — top control in a spiral path around the turtle. Breaks the base; opens back take and leg entanglement routes. Submission grappling reference.

Standing kimura — figure-four shoulder lock applied and finished from standing. Russian tie, underhook, and single leg defence entries. Submission grappling reference.

Standing passer against an opponent in a leg entanglement — ashi garami, outside ashi, cross ashi, 50/50. Stacking pressure, staying vertical, and countering leg-lock entries.

Straitjacket back control in no-gi: the opponent's near arm is trapped between the attacker's legs while back control is Submission grappling reference.

The suplex lifts the opponent from a rear body lock and arches backward, throwing them overhead. A high-amplitude Greco-Roman throw with German, headlock, and belly-to-back variants.

Tani otoshi (valley drop) — one leg steps behind and between the opponent's legs; the attacker drops backward, pulling the upper body down while the blocking leg removes the opponent's base.

Technical mount — one knee grounded, the other leg stepped out flat beside the opponent's hip. Opens back take entries, arm triangle access, and armbar opportunities. Distinct from S-mount.

Technical mount bottom — defending the stepped-out mount. One foot posted beside the defender's hip, back take and arm triangle imminent; the defender is mid-turn between flat mount and back exposure.

Technical mount escape — spin out to re-flatten, roll back to half guard, reverse-technical when the opponent stays high. Seatbelt hand-fighting and back-take denial. Submission grappling reference.

The Tozi pass drops the near shoulder under a butterfly or X-guard hook, trapping it to the mat with body weight and passing over the trapped leg. Also known as Sao Paulo Pass and Wilson Pass.

Twister hook — one leg threaded between the opponent's legs to limit spinal rotation. Entry to the truck position. Submission grappling reference.

Uchi mata — inner thigh reap throw. One of the highest-percentage judo throws, increasingly dominant in elite no-gi competition. Submission grappling reference.

The Von Flue choke is a counter submission applied when the opponent attempts an arm-in guillotine from the bottom. The top Submission grappling reference.

Waiter guard pass — recover the far leg from the under-hook, deny the sweep and leg entanglement entries, and pass the deep half variant. Submission grappling reference.

Williams guard uses an overhook around the opponent's head (meathook grip) from half guard or butterfly base, controlling posture and opening arm triangle, rear naked choke, and back take options.

Williams guard pass — strip the head control overhook, recover posture, and defeat the arm triangle and back take platform. Submission grappling reference.

The Woj lock is a heel hook variant that prioritises rotational torque through a specific grip and hip extension combination. Submission grappling reference.

Wristlock — radiocarpal joint attack via hyperextension or deviation. Shorter injury window; restricted in beginner contexts. Submission grappling reference.

70/30 (80/20) — asymmetric leg entanglement where one player controls a larger share of the leg, creating heel hook advantage. Submission grappling reference.

Back crucifix — behind the turtle with the near arm trapped. Kimura, triangle, and RNC available from this position. Submission grappling reference.

Baratoplata — shoulder lock from omoplata-family positions; the shin or forearm lever rotates the shoulder against its range. Submission grappling reference.

Berimbolo defence — deny the hip rotation, counter the back-take chain, and convert the scramble into passing or leg entanglement opportunities. Submission grappling reference.

The bicep slicer traps the arm against a forearm, shin, or knee fulcrum, crushing the bicep and brachialis to attack the elbow in flexion. Legal at advanced levels in no-gi competition.

How to escape the buggy choke — removing the leg from the choking configuration and the body positioning principles. An emerging area of the competitive canon.

The cement mixer is a rotational wrestling turn where the top player grabs the far arm and near leg, creating a rotating cradle that rolls the bottom player continuously. A scramble turnaround.

Diagonal ashi garami is a transitional leg entanglement position — the specific angle that makes the Z-lock hip submission Submission grappling reference.

The domplata slides one shin across the opponent's throat from mount while trapping their arm, creating a combined throat compression and shoulder lock. Niche mount submission from 10th Planet.

Domplata bottom — defending the shin-to-throat compression from mount with one arm trapped. Defence is pre-emptive (deny the arm isolation) or immediate (tap on first throat pressure).

Electric chair sweep — extends the top player's far leg outward from the lockdown in half guard, levering them over their own trapped leg. Distinct from the electric chair submission (groin stretch).

Game Over (Z-lock, Leg Knot) — an entanglement in which the attacker controls both of the opponent's legs in a crossed configuration. Immediate heel hook and toe hold access.

The Gogoplata is a choke applied by pressing the shin or instep into the opponent's throat from the high guard position. The Submission grappling reference.

Grasshopper guard — the bottom player lies on their side, one leg controlling the opponent's near leg from outside (like a grasshopper's leg). Creates leg entanglement entries and back take access.

Imanari roll — inverted standing-to-ground entry threading directly to ashi garami or cross ashi garami. Submission grappling reference.

Inverted guard — the guard player's hips are elevated above the head, back toward the mat, feet pointing at the opponent's head. Primary entry to berimbolo back takes and outside heel hook sequences.

Inverted guard pass — deny the inversion, collapse the hips, and pass the transitional hub that feeds berimbolo and leg entanglement entries. Submission grappling reference.

The irimi ashi sweep: stepping into the opponent's space while controlling a leg to unbalance and force the sweep. A Submission grappling reference.

The Japanese Necktie is a combined neck crank and compression choke from a turtle-top front headlock. The attacker's forearm compresses the throat while body position augments the cranking force.

Junny lock — inside heel hook variant using a wrist and forearm wrap that creates a different lever geometry on the knee. Applied from ashi garami and outside ashi. Submission grappling reference.

Lateral knee bar — kneebar applied from back exposure or leg ride positions, where the attacker is positioned behind the opponent's leg. Mechanically distinct from the standard kneebar.

The locoplata is a gogoplata-family submission from inverted guard, using the shin across the opponent's face or jaw while controlling the arm. Distinct from the standard gogoplata in entry angle.

The Mexican Necktie augments a front headlock choke with one leg hooked over the opponent's back — leg extension tightens the choke and prevents posturing. Applied from turtle top.

Mikey lock — calf compression applied from cross ashi / saddle, transitioning from inside heel hook attempts. Same mechanical target as the calf slicer but entered from a different position.

The monoplata uses a single-leg triangular configuration to attack the shoulder — one leg controls the far arm, the other creates rotation force. Related to the omoplata but distinct in entry.

Mutual ashi — also called criss-cross ashi — is the position where both players are in overlapping single-leg entanglements. Submission grappling reference.

Opposite triangle — catches the far arm. Available when standard entry is blocked but the far arm creates the geometry. Submission grappling reference.

Pato lock — ankle and lower leg compression from ashi garami and outside ashi via an arm wrap around the ankle. Same mechanical target as the tren lock, different entry path.

Reverse X is the inverted X-guard variant that creates direct cross ashi entries and back takes. The leg configuration exposes Submission grappling reference.

Shotgun armbar — rolling armbar entry from turtle top or folkstyle ride. The attacker traps the near arm and rolls through to finish. Entry mechanics distinct from the standard armbar.

Side triangle — triangle from a lateral position. Hip drive is lateral. Available from side control and north-south. Submission grappling reference.

Standing RNC — rear naked choke applied from standing back control before hooks are established. Different technical demands from the ground RNC. Submission grappling reference.

The Suloev stretch is a posterior knee submission from back control, hyperextending the opponent's isolated leg by driving hips down against posterior knee structures. Distinct from the kneebar.

Tarikoplata — shoulder lock using a leg triangle over the arm from guard. Leg-based rotation loads the shoulder joint. Submission grappling reference.

Trapped triangle — triangle around a trapped arm and neck; the arm presses against the carotid as the triangle tightens. Submission grappling reference.

Tren Lock — ankle lock from the truck position using both arms around the near leg with a rotational body drive. Submission grappling reference.

Truck (crab ride) — elevated control of one leg behind the turtled opponent; heel hook and back take access. Submission grappling reference.

The Twister is a spinal rotation submission executed from the truck (crab ride) position. One leg hooks between the opponent's Submission grappling reference.

Twister side control is the positional platform for the Twister submission sequence. Specific body and leg positioning create access to the truck and the Twister hook. From 10th Planet Jiu-Jitsu.

Ushiro X is an inverted X-guard position in which the bottom player faces the same direction as the opponent. The inversion Submission grappling reference.

Ushiro X pass — deny the hip inversion, close the inside space, and defeat the cross ashi / back take dilemma from reverse X guard. Submission grappling reference.

The Z-lock is a hip submission — the only submission in the lower limb system that targets the hip joint rather than the knee Submission grappling reference.

Flying armbar — standing-to-submission attack; jumping directly to an armbar lock. The highest-risk standing entry. Submission grappling reference.

Flying triangle — jumping from standing to lock a triangle choke. Elevated risk; precise timing required. Submission grappling reference.

Kani Basami — scissors takedown. Sacrifice technique with elevated knee injury risk. Elite-level timing and angle requirement. Heavily ruleset-restricted. Submission grappling reference.

How the arm-drag grip sequence redirects the opponent's arm across their body to create back exposure and seatbelt control. The post to stop the back take opens other attacks.

The structural dilemma from ashi garami: the inside heel hook threatens if the opponent stays flat; coming on top to defend exposes the back. The opponent cannot correctly answer both.

The strategic objectives for each player at the back position range: top player must choose between finish and maintain; bottom player has one objective only — recover facing the opponent.

Back-position strangle dilemma — from the seatbelt, the defender's hand-fight result selects the finish. Inside-hand wins → rear naked choke; outside-hand wins → rear-mounted arm triangle.

Back-take scrambles — the attacker races to insert the seatbelt and hooks while the back is briefly exposed; the defender races to turn in or wrestle their back to the mat. Resolves in seconds.

Butterfly inside-heel-hook dilemma — when the bottom player elevates the hook on the same-side leg, the top player must either drive forward (concede heel hook) or post back (concede sweep).

The four-horn dilemma from closed guard: hip bump forces a hand post (kimura); pulling the arm back opens the guillotine; tucking the chin opens the triangle. Each defence creates the next threat.

How the collar tie escalates from single-side head control into double-collar-tie dominance, snap-down, and front headlock — the no-gi upper-body gripping chain producing the front headlock series.

Front headlock dilemma — defending the guillotine by extending the head opens the takedown finish; defending the takedown by squaring up opens the guillotine. One position controls both threats.

The three strategic objectives for the guard bottom player — submit, sweep, upgrade — and why guard retention is the baseline condition, not an objective in itself.

The four passing invariables translated into practical objectives: feet, knees, hips, pin. Why the sequence is non-negotiable and what the most common failure looks like.

Half guard underhook dilemma — with the underhook from bottom half, the top player must either stay chest-down (concede the back take) or post weight away (concede the sweep).

Late leg-entanglement entries — the scramble window where a leg exposes during a failed pass, a reversed sweep, or transitional moment. Opportunistic entries that require scramble-reading.

The structural dilemma from leg drag: accepting the pressure leads to side control pin; counter-rotating away to escape exposes the back. The opponent cannot correctly answer both.

How the leg-entanglement grip chain escalates from outside foot/ankle control through shin control, knee-line capture, and the final heel hook grip. The no-gi chain that delivers the heel hook finish.

The strategic objectives for both players inside leg entanglements — ashi, saddle, 50/50, reverse X. Maintain the position, finish a submission, or exit on advantageous terms.

Leg-entanglement dilemma — heel captured in ashi or 50-50; defender either fights the heel and stays in (attacker keeps cycling locks) or breaks the inside position and resets to a worse defence.

Three-horn dilemma from mount — the choke forces an arm defence; the arm defence opens the armbar; the armbar defence (turning belly-down) opens the triangle from S-mount.

The strategic objectives for the bottom player in pin positions — survive, escape, and recover — and the hierarchy that governs which to pursue at each moment under pressure.

Referee's position dynamics — the folkstyle starting position is a live scramble template. Top fights for back or pin; bottom fights for stand-up or switch. Generalises to turtle-adjacent scrambles.

Strategic objectives in scramble sequences — the transitional range between stable positions. What the attacker pursues, what the defender pursues, and how to stop scrambles from resolving randomly.

The ground-level equivalent of standing gripping sequences — how grip commitment escalates from ankle to shin-on-shin to SLX to ashi garami, with the same logic applied from seated guard.

The strategic objectives for each player at the standing range — what the top player is trying to achieve, what the bottom player is trying to achieve, and where these objectives conflict.

Standing engagement dilemma — from neutral standing, the defender either engages the takedown exchange (lose if outwrestled) or pre-empts with a guard pull (concede top position). Neither is neutral.

The anaconda and d'arce system in no-gi — arm-triangle strangle mechanics from front headlock and turtle, the near-side versus far-side mirror, and the turtle-attack sequence delivering both finishes.

The armbar system in no-gi grappling: juji-gatame as the unifying finish, applied across guard, mount, side, back, and standing. The straight-arm hyperextension mechanic and its variants.

The butterfly guard system in no-gi grappling: both hooks in as lifting mechanism, sweeping through hip elevation, and the connection to the inside heel hook through the shared knee-line position.

The closed guard system in no-gi — locked legs as connection, grip-fighting as prerequisite, and the four-horn submission/sweep dilemma network that makes closed guard a foundational attack range.

The De La Riva (DLR) and reverse DLR system in no-gi grappling: standing-opponent guard with one hook around the back of the lead leg, sweep tree, back-take tree, and bridge to X-guard.

The dog fight scramble — from the underhook-and-knee-up exchange in half guard, both players race for the superior angle. Whoever reaches knee-level first with the underhook locked lands on top.

The guillotine system in no-gi grappling: front headlock as central position, guillotine as primary finish, and the full network of necktie, darce, anaconda, and head-and-arm submissions.

The half guard passing system in no-gi — passing the trapped-leg position from top half guard, the whizzer-vs-underhook exchange, the kimura-threat dilemma, and smash-pass / back-step / leg-drag tree.

The half guard system in no-gi — one leg trapped between the opponent's legs, the underhook as pivot, and the back-take / sweep / deep half branching tree that makes half guard a top attack.

The heel hook system in no-gi grappling: inside and outside heel hook mechanics, entry positions, and the safety framework. Highest-risk submission family — trained position-first, partner-first.

The kimura system in no-gi grappling: the figure-four grip functions as submission, control, and back-take mechanism across guard, turtle, side control, and standing. One grip, unified system.

The knee slice (knee cut) passing system in no-gi — the knee-through-centreline mechanic, the underhook-vs-frame exchange, leg drag and back step variations, and the bridge to mount and side control.

The leg drag passing system in no-gi — drag the bottom player's leg across their own centreline for a lateral hip pin; the pass-vs-back-take dilemma; the bridge to side control and the back system.

The leg lock system in no-gi grappling: ashi-garami positions, leg isolation mechanics, and the heel hook, kneebar, toe hold, and ankle lock submissions. Position-first framework.

The RNC and back attack system in no-gi grappling: the rear naked choke as primary finish, back triangle and straitjacket as secondaries, and the maintain-vs-finish strategic framework.

The seated guard system in no-gi grappling: upright base from sitting, hand-fighting as the prerequisite for hook engagement, and the bridge into butterfly, X-guard, single-leg, and ashi-garami.

The shin-shield system in no-gi — shin-across-the-thigh frames as distance management, knee-shield half guard, shin-on-shin entries, and the bridge into butterfly, X-guard, and ashi garami.

The smash pass system in no-gi — stack the bottom player's legs to compress hip mobility, land chest connection; the body-lock and over-under pass family share the same crushing-pressure mechanic.

The torreando (toreando) and standing open-guard passing system — standing posture, leg-pin grips, lateral movement around the bottom player's hip line, and the bridge to side control or back take.

The triangle system in no-gi grappling: the arm-in-neck leg configuration as strangle across guard, mount, side, back, and turtle. Unified geometry, position-specific entries.

The X-guard system in no-gi grappling: under-the-leg hook configuration for lifting the standing opponent, sweep and leg-lock entry branching, and the connection to single-leg X and reverse X.

Top half guard dilemma — with a whizzer or underhook from top half, the smash-pass defence exposes the arm to the kimura, and the kimura defence (tucking the elbow) exposes the smash pass.

The strategic objectives for the top player in pin positions — maintain, advance, and finish — and how the choice between them determines every technique decision.

The turtle scramble — the attacker must capitalise on turtle top before the defender escapes; the defender must recover guard or stand before the seatbelt locks. Both races resolve in seconds.

Turtle three-horn dilemma — from turtle top, the gut-wrench defence opens the back take; the back-take defence (re-tucking) opens the leg-entry; the leg-entry defence (extending) opens the gut wrench.

How the two-on-one (Russian tie) grip escalates to ashi garami entry. Each step either achieves the goal or forces a reaction that opens the next step.

Two-on-one (Russian tie) structural dilemma — stepping to outside ashi garami threatens the leg; circling away to defend exposes the back. Connects the gripping sequences layer to the dilemma layer.

How the underhook sequence escalates from a single underhook through double-underhooks clinch into a body-lock-takedown or back-take finish. Rewards shoulder elevation and postural break.

X-guard dilemma — from X or single-leg X, the bottom player threatens both the technical standup sweep and the leg-lock entry. Posture choice — heavy or standing — selects which attack lands.

AC joint sprain and separation from americana and shoulder pressure — distinguishing from labrum injuries, recognising the mechanism, and returning to training.

Ankle sprains and straight ankle lock injuries — distinguishing the mechanisms, prevention, and management for grapplers.

Cauliflower ear — auricular haematoma — causes, prevention with ear guards, drainage decisions, permanent changes, and what responsible gym culture looks like around this distinctive injury.

Concussion mechanisms in submission grappling, recognising the symptoms, red flags requiring emergency care, and the graded return-to-training protocol.

Anorexia, bulimia, BED, OSFED, ARFID, orthorexia in weight-class grappling — recognising disordered patterns, clinical urgency, coach responsibilities, and the specific risks of the sport's culture.

Elbow hyperextension from armbar — understanding the mechanism, the injury timeline, and the tapping culture that prevents it.

Corneal abrasions, subconjunctival haemorrhage, orbital fracture, retinal detachment, and traumatic hyphaema — how they present, which need emergency care, and the thumb-in-eye reality of scrambles.

Relative energy deficiency in sport (RED-S), menstrual cycle and training, iron and bone health, and the specific health considerations for female practitioners that most grappling resources ignore.

Jammed fingers, skier's thumb, wrist sprains, scaphoid fracture, and the other hand and wrist injuries that grappling produces — mechanisms, grading, taping, and when to get imaging.

Hip flexor strain, labrum tears, femoroacetabular impingement, groin strain, and the hip injuries that guard-heavy grapplers are most exposed to — mechanisms, assessment, and return-to-training.

The most common injury patterns in grappling and a systematic approach to reducing risk before injuries occur.

The framework principles behind returning to training after injury — biological healing timelines, graded loading, what 'cleared to train' actually means, and when to work with a physiotherapist.

ACL and PCL injuries from heel hooks, kneebars, and reaping — mechanism, severity, prevention, and the honest rehabilitation timeline.

How to train for decades, not just years — the structural, habitual, and cultural factors that determine how long a grappler can continue training.

Lumbar strain, disc injury, SI joint dysfunction, and the red flags that require emergency care — mechanisms in grappling, return-to-training, and the prevention work that matters.

Medial collateral ligament sprains from outside heel hooks and knee exposure errors — why they are frequently undertreated and how to manage them.

Competition anxiety, training stress, and the psychological pressures of grappling — a health-angle treatment distinct from the social dynamics content.

The distinction between mobility and flexibility, and why grapplers need strength through range — not just range.

Cervical strain and compression injuries from guillotines, front headlock pressure, and neck cranks — mechanisms, distinguishing disc from soft tissue, prehab, and return to training.

Why grappling recovery is not just rest, and how sleep is the most important adaptation tool a grappler has.

Rib bruising, cartilage damage, and fracture from side control pressure, body triangle, and knee on belly — frequently undertreated, with breathing implications for training.

Labrum tears and rotator cuff damage from kimura, americana, and omoplata — distinguishing the mechanisms, recognising the injury, and returning to training safely.

Ringworm, staph, impetigo, and mat herpes — what each is, how transmission works, and the school's duty of care.

Why generic gym programming fails grapplers, and what a grappling-specific strength and conditioning approach looks like.

Which supplements have evidence, which are a waste of money, and which carry contamination or anti-doping risk — plus how strict liability works in tested competitions and what certification protects.

What the evidence says about grappling during pregnancy, how to modify training each trimester, return-to-sport postpartum, diastasis and pelvic floor considerations, and when to stop training.

A performance-nutrition approach to body composition — not weight cutting. What healthy, sustainable weight management looks like for a competitive grappler.

Growth plate injuries, maturation timing, weight-cutting in minors, specialisation versus varied training, and training-load considerations for under-18 practitioners — what youth coaches get wrong.

What safeguarding means for minors in grappling, the supervision and reporting standards a responsible youth programme requires, and what parents should verify before enrolling a child.

The inherent power imbalance in coaching relationships, the specific risks it creates, and what responsible professional coaching looks like.

Physical contact norms in training, how to establish and respect consent with training partners, and what schools should formalise.

Adaptive grappling as primary consideration, not a footnote — the practical, structural, and cultural factors for including grapplers with disabilities.

Managing competitive drive, ego, and aggression in a way that builds everyone in the room — including you.

What hazing is, how it shows up in schools (sandbag rounds, initiation rolls, beltings, punishment of new students), why it is damaging regardless of intent, and the standards that rule it out.

What responsible mat hygiene looks like, why it matters beyond personal comfort, and how to address violations without shame but without hedging.

What a genuinely inclusive gym looks like in practice — beyond tolerance to active welcome.

The cultural dimension of mental health in grappling — the toughness narrative, identity-sport entanglement, and what a healthy training culture actually produces.

The sport's history and current dynamics — acknowledging what is real and what equitable mat culture requires.

Warning signs of predatory coaching behaviour, grooming patterns, and what to do — for students, for parents, for school owners.

Why tapping culture is not just a safety mechanism — it is the social contract that makes grappling training possible. The full social dynamics treatment.

The specific training environment considerations for women in grappling — not a separate inferior track, but an honest account of the challenges and what good looks like.

The back attack system — the RNC plus bow-and-arrow, arm triangle from the back, rear naked variants, and the dilemma that makes the back such a dangerous position.

Half guard as a system — the underhook fight, primary sweeps, back takes, submissions, and the half-guard dilemma between sweep and back take.

The kimura as a submission system — one grip, many positions, three outcomes. How to develop the kimura from a single submission into a positional framework.

The leg entanglement system at developing level — positional expansion, entries, transitions, and the submissions available from each position. Gated on foundations stage-9 and stage-10 completion.

The standing game at developing level — grip fighting, takedown chains, upper-body throws, sprawl-and-reshoot, and strategic guard pulling.

The triangle choke as a system — configurations, positions, dilemmas, and the finish mechanics that separate a reliable triangle from a failed one.

X guard and single-leg X guard — the open-guard attack systems that unlock sweeps, elevations, and leg-entanglement transitions at developing level.

The developing learning path (6–24 months) — building a connected game, primary systems, and plugging the gaps in the foundations.

System-by-system focus blocks for delivering the developing curriculum — each block is 4–8 weeks, with session templates, drill prescriptions, and integration checkpoints.

The heel hook study guide — the three gates, inside vs outside mechanics, why the tap signal is late, and how a coach delivers this content without producing injuries.

The cooperative → specific resistance → live drilling model used throughout the curriculum. How to structure drilling sessions, match phase to skill level, and avoid common drilling failures.

A session-by-session schedule for delivering the foundations curriculum — 2–3 sessions per week, mapped to all ten stages with drill prescriptions and completion checkpoints.

The sequenced learning path for grapplers in their first 6–12 months — ordered by invariable precedence, defence before offence, position before submission.

The tapping culture stage — why it comes first, the three tap modalities, and the social contract that makes submission grappling possible.

Leg entanglement expansion — ashi-garami variations, inside sankaku, cross-ashi. Why heel hooks remain gated, how grip chains set up entanglements, and the criteria for the developing curriculum.

The invariables introduction stage — why mechanical principles precede technique, the seven universal invariables covered, and how this stage unlocks all later learning.

Guard bottom fundamentals — why the student starts here, the three foundation guards (seated, butterfly, half), retention before attack, and the invariables that drive guard mechanics.

Guard passing fundamentals — why passing comes after retention, the four foundation passes, the invariables that drive passing mechanics, and the pass-to-pin chain.

The back position study guide — why defence is taught before attack, the seatbelt and body triangle control systems, the rear naked choke, and the common errors that stall progression.

Top positions fundamentals — the pin hierarchy, how weight distribution drives control, the americana as the first joint lock, and the invariables that make pins work.

Front headlock and turtle fundamentals — sprawl, ground control, the guillotine submission, and the turtle survival position.

The standing game at foundations level — the single-leg and double-leg takedowns, the single collar tie as a control position, and why guard-pulling is not the default.

The leg lock introduction study guide — why only the straight ankle lock is taught at foundations, why leg-entanglement invariables come first, and the tap-early culture that gates stage 10.

The three-layer model — invariables, technique, and concepts — wrapped by the curriculum sequencing layer. How to use the site and why it's structured this way.

Common questions about the InGrappling curriculum — how long foundations takes, when to learn heel hooks, what to do if your gym doesn't use this curriculum, and more.

A framework for choosing a primary system and developing it into a competition-ready A-game. The selection problem, the three-layer structure, and the development cycle.

Ruleset-specific preparation for no-gi submission grappling competition — IBJJF no-gi, ADCC, EBI overtime, sub-only formats, and the preparation cycle that builds toward competition day.

Curriculum notes for proficient, advanced, and elite practitioners — specialisation, competition preparation, and the open-ended development process.

What a meaningful no-gi grappling coach certification framework could look like — and why the current absence of one matters.

ADCC, submission-only, and IBJJF No-Gi formats compared — what each ruleset incentivises, what it discourages, and what it means for competitive preparation.

What the concepts layer is, how it differs from techniques and invariables, and how to use it at different stages of grappling development.

Ability-based progression that does not rely on belt systems — how to measure and communicate skill development honestly.

What consistent, competent refereeing looks like in no-gi competition — and why it matters for the sport's development.

What a mature, well-run no-gi school looks like — across culture, safety, curriculum, and community.

InGrappling's evolving institutional position on best practices in no-gi submission grappling — safety, ethics, progression, competition, and coaching. Version 1.0.

Annual analysis of competitive no-gi grappling — ADCC 2024 results, technical trends, format developments, and what the data means for the sport in 2026.

The knee line is the mandatory intermediate control zone in every pass: advancing past the feet without securing the knees leaves the guard capable of re-engaging before the pass is complete.

Whether the opponent's arm is inside or outside the strangle changes choke efficiency. Arm-out strangles contact the carotids directly; arm-in strangles must compensate via grip tightness and angle.

Base in grappling is weight distribution over a support point. Disrupting the support point disrupts the base — regardless of how large or heavy the opponent is.

The sequential requirement in pinning — chest contact is the first stage, hip coverage the second. Omitting the second stage allows guard recovery regardless of how secure the chest contact feels.

Clearing the foot line is the first mandatory step in every passing sequence — advancing before the feet are dealt with means absorbing the guard's primary barrier rather than bypassing it.

The first universal invariable — body connection eliminates space and transfers weight across all positions. The foundation of control in submission grappling.

Connection must come before control. The prerequisite that precedes INV-01. Distance returns initiative to the opponent — closing it is the first requirement of any attacking sequence.

Maintaining body connection throughout leg entanglement exchanges prevents escape. Space = escape route. This is INV-01 applied to leg entanglements specifically.

Destabilisation before control. An opponent with balance can defend from almost any position. Removing balance is the prerequisite for establishing control. Credited to Greg Souders.

Standing-to-ground transitions through two intermediate states. Landing on the hands retains posture and some base; landing on the hips ends standing base entirely. The two have different follow-ups.

When an opponent is displaced off primary base, the secondary leg is the rebalancing mechanism. Controlling or moving that leg during destabilisation prevents recovery and finishes the takedown.

The ceiling of top-position control — double underhooks remove both of the bottom player's pushing frames at once, so the pin requires minimal effort and submission access is maximised.

Elbow connections are the guard's primary load-bearing contacts: they dictate the top player's weight, limit passing lines, and their simultaneous loss marks the functional completion of the pass.

Escape sequencing: space must be created before it can be occupied. The bridge or frame comes first; the movement follows. Applies to pin escapes, guard retention, and half guard transitions.

Connection priority in scrambles. The first connection point dictates the direction of the exchange. Not athleticism — connection timing.

Defensive-capacity gradient — the difference between side-lying and flat-on-back is mechanically significant. Flattening is not just a goal but the mechanism that makes control more effective.

Force angle — not strength — determines submission leverage. The mechanical foundation of why smaller practitioners can submit larger opponents when the angle is correct.

Effective frames redirect force rather than opposing it. The mechanical principle that explains why framing against a stronger opponent works when angled correctly.

Hip height advantage in scrambles. The player who achieves greater hip height first has gravity working for them and forces the opponent to fight upward. Credited to Craig Jones.

When the bottom player forces the top player to post a hand, passing capacity ends and submission and sweep opportunities open — the structural boundary between defensive and offensive guard.

Heel exposure in leg entanglements is a positional fact, not a grip decision. Understanding why cross ashi exposes the inside heel and standard ashi exposes the outside heel.

In single-leg takedowns the leg is the entry, not the target. The hip is the target — the pivot that, once controlled, prevents sprawling and enables the finish. Leg control without hip access fails.

Hip mobility is the mechanical source of every guard action — sweeps, submissions, recoveries, and escapes all originate from hip movement, and a flat bottom player has none of it.

The inside position invariable — controlling the inside of a limb or body controls all movement on that side. Universal across all grappling positions.

The foundational leg entanglement invariable. Inside space control — the attacker's hip in the contested space — is what makes the entanglement work. Credited to Greg Souders.

Joint submissions work by exceeding the joint's structural tolerance. Speed of force application governs warning before damage — slow allows defence; fast reduces warning-to-injury margin to zero.

Why heel hooks, kneebars, and toe holds are designated elevated risk — the knee is attacked against its natural range, reaching the structural limit with very little movement.

Leg-attack penetration requires the attacker's hips to drop below the opponent's centre of mass before the entry step. Level change positions the attacker under the structure for a driving shot.

Limb isolation is not just separation — it's disconnection from the body's unified defence. While the limb remains connected to the core, the body can defend through it. Credited to Greg Souders.

How opponent pressure creates attack opportunities in scrambles. When they push down to prevent your height gain, they create the conditions for sweeps and leg entries. Credited to Craig Jones.

Passing and pinning are a single uninterrupted movement — treating them as sequential steps creates the gap in which the bottom player recovers, making the pass fail after it appeared to succeed.

Position-control-submission chain — positional advantage is the prerequisite for submission against a resisting opponent. Skipping the chain doesn't eliminate the requirement; it transfers the cost.

Disconnection as a resource in scrambles. Choosing when and where to re-connect gives the initiative. Forced reconnection on the opponent's terms is losing the scramble.

Leverage requires a fixed point. In armbars it's the elbow brace, in heel hooks it's the knee, in sweeps it's the hip. Remove the fixed point and the submission or sweep collapses.

Body segmentation as a control mechanism. Controlling sections independently prevents the opponent coordinating a defence. The principle behind leg entanglements, the seatbelt, and the crucifix.

Space in grappling is contested — the player who created it does not own it. Frames that create distance for escape simultaneously create distance for the opponent's counter.

Bilateral neck compression is the mechanical requirement for a functional strangle. One-sided pressure produces pain; two-sided pressure occludes the carotid arteries and produces unconsciousness.

Structural resistance must be disrupted before submissions can be completed. Breaking posture, disrupting the hip, collapsing alignment — different words for the same mechanical requirement.

Heel hook mechanism — the foot is a handle, the knee is the target. Force on the foot transmits through ankle and tibia to load the knee. Cranking without the knee target is ineffective and dangerous.

The foundational guard invariable: the bottom player's foot line is the first barrier to passing, and losing it collapses the guard before any other connection becomes relevant.

Orientation is a prerequisite for guard function: a bottom player facing away from the passer cannot track the pass, cannot frame, and cannot mount any offensive response.

Hip control determines leg control in entanglements. Controlling the opponent's hip determines what submissions are available; controlling your own hip determines your escape options.

Guard passing is not reaching a position — it is breaking the bottom player's structural connections. Until those connections are gone and the bottom player is pinned, the guard isn't passed.

Every submission has a primary target (the joint or vessel) and a secondary anchor (where the opponent braces to resist). Finishing requires both — the anchor must be controlled before the finish.

Limb isolation is the prerequisite for finishing joint submissions. A limb still connected to the body's defensive system can be reinforced; only an isolated limb is structurally vulnerable.

Underhook control determines hip control. Whoever wins the underhook battle controls where the hips go — the foundation of passing, wrestling up, and back-take entries.

The primary pinning invariable — underhook-secured chest contact simultaneously addresses the hip. The bottom player cannot move their hips independently when chest and underhooks are properly placed.