Leg Weave Pass

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The leg weave pass is a guard-passing technique in which the top player threads one arm between the opponent’s legs — reaching through from the outside to the inside — and grips the opponent’s near leg (typically the thigh or hip area) from the inside. This arm-between-the-legs position creates an inside control that prevents the guard player from hip escaping effectively: the arm is threaded through the guard, creating a mechanical barrier to lateral movement.

The leg weave is primarily used against half guard, Z-guard, and butterfly guard positions where the opponent is using their near leg as the primary retention tool. The weave neutralises the near leg by controlling it from inside — the guard player cannot use the near leg to create space or re-hook because the top player’s arm is between the legs and controlling the hip.

The finish of the leg weave pass is typically a knee slide or long step to the far side — once the near leg is controlled from inside, the top player steps around with the far leg to achieve side control. The arm control holds the near leg in place during the step.

INV-LE01Invariant "Inside space control — maintaining the attacker's hip in the space between their hip and the opponent's hip — prevents the opponent from extracting their leg and determines which submissions are available."

Why it works hereThe leg weave produces inside space control with the arm rather than the hip — the threaded forearm occupies the space between the bottom player's near leg and torso, blocking the hip escape that would re-extract the leg from danger. The mechanical effect is the same as inside hip position in a leg entanglement: the bottom player's leg cannot leave the space the inside structure is filling. From the top, this is what prevents the near leg from re-hooking or hip escaping during the pass step.

See full invariant page → The leg weave’s arm thread creates inside control on the near leg from an arm-position rather than a hip-position — the arm occupies the inside space, preventing the opponent’s hip from escaping in the direction the near leg would create. Inside space control with the arm produces the same hip escape restriction as inside space control with the hip, but from the top position rather than a leg entanglement. The near leg is controlled inside; the far leg cannot re-hook because the inside control maintains the passing angle.

INV-03Invariant "The opponent's structural resistance must be disrupted before a submission can be reliably completed. An opponent who retains functional base, alignment, and connection to their own structure can defend most attacks mechanically rather than reactively. In standing and guard contexts this is called breaking posture; in leg entanglements it is disrupting hip position and knee line; the underlying requirement is identical."