Outside leg triangle

Outside leg triangle is the descriptive name for outside sankaku — flagging both the outside-line orientation and the leg-triangle geometry that defines the position.

Etymology. “Outside leg triangle” enumerates the position-line and the leg-configuration; the compound is the most explicit descriptive form for the configuration.

Mechanics. The closed leg-triangle around the opponent’s leg from the outside line provides the leverage for outside heel hook attacks.

Cross-reference. “Outside triangle” and “OHH position” are alternate names. Full mechanical coverage on Outside Sankaku.