Alias · Guard Passing
Lower leg shift pass
Also known as Scorpion Pass — the canonical term used on this site.
Training background: describes the guard transition being addressed
Descriptive — shifting the lower leg to pass
Lower leg shift pass is a descriptive name for the scorpion pass — naming the shift of the passer’s lower leg that clears the opponent’s hook.
Etymology. “Lower leg shift” describes repositioning the shin and foot to escape an entangling hook; “pass” attaches the objective. The label is mechanical and lineage-neutral, foregrounding the footwork that the “scorpion” image otherwise names.
Mechanics. Shifting the lower leg clears the opponent’s hook off the foot line; once that hook no longer engages, the guard cannot dictate the passer’s leg, and the pass advances around the freed line.
Cross-reference. “Outside hook half guard pass” is a sibling alias. Full mechanical coverage on Scorpion Pass.