Scissor Sweep
The scissor sweep in no-gi: shin-across-the-thigh and heel-hook-behind-the-knee mechanics as a fundamental weight-unloading
Adapted from InGrappling, Scissor Sweep. System Games did not invent this curriculum.
Manage injuries →Position map Connects to 5 positions across 2 relationshipsOpen in the map →12345←Enters from
The scissor sweep is one of the earliest sweeps a grappler learns because the mechanics are explicit and visible. One leg goes across the passer’s thigh — this is the cutting leg. The other hooks behind the knee or lower leg — this is the sweeping leg. The two legs move in opposite directions simultaneously, scissoring the passer off their base and rotating them to the mat.
The mechanics make physical sense even before they are drilled: a scissors cuts because the two blades move in opposing directions. When one leg pushes the thigh one way and the other pulls the lower leg the opposite way, the passer’s leg has nowhere to go. Combine this with a forward load on the passer’s upper body and the rotation becomes inevitable.
In no-gi, the hand controls differ from gi. Without a sleeve grip, the top hand controls the wrist or the back of the head to pull the passer’s upper body forward. Without a collar grip, the bottom hand controls the ankle or the lower leg to prevent the passer from stepping back. The absence of gi grips makes the hand controls more active and grip maintenance more demanding — but the leg mechanics are identical.
INV-G04Invariant "Destabilising the top player to their hands removes their ability to pass and creates submission opportunities. Forcing a hand post is the transition from defensive guard to offensive guard."
Why it works hereThe top hand pulling the passer's wrist or head forward commits the upper body over the cutting plane, and the bottom hand on the ankle denies the step-back that would otherwise rebase the loaded leg. With both hands disrupting and both legs scissoring, the passer's only remaining option as they rotate is a hand post to break the fall. Lose either hand and the sweep loses the structural lock that forces the post.
See full invariant page → The scissor sweep uses hand posts as a prerequisite, not an afterthought. The top hand pulling the passer’s upper body forward disrupts their posture before the scissor fires — without this forward disruption, the passer can simply sit back and the legs do nothing. The bottom hand on the ankle prevents the passer from stepping out of the sweep. Both hands are disrupting the passer’s base simultaneously with the scissoring leg action. Remove either hand and the sweep fails.
INV-G05Invariant "The bottom player's hips must remain mobile. A flattened bottom player cannot generate the movement needed to recover guard, sweep, or attack."