Shoulder Crunch Sumi Gaeshi Sweep
When an opponent posts their shoulder during an arm drag, this sweep uses an opposite-hip fall and a high elbow to trap the arm and flip them into mount.
8 steps
· save to drill into each- 1Initiate an arm drag from butterfly guard, falling to your opposite hip instead of your same hip.0:45
- 2Pull the opponent's arm across your body and post your head flat on the mat.1:36
- 3Drive your elbow deep into the opponent's shoulder or armpit while keeping your head next to theirs, not on top.1:50
- 4Keep your trapping elbow pointing straight up toward the ceiling, not parallel to the floor.2:16
- 5Lock your hands together and begin lifting to your left side.2:27
- 6If the opponent pushes back against your lift, transition your weight to lift over your right shoulder.2:32
- 7Maintain the high right elbow as they attempt to post their left hand to base out.3:07
- 8Complete the rotation into a mounted position to secure the sweep and attack.3:21
Source video

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