Armbar from Open Guard against Underhook Entry
Counter an opponent's underhook attempt from open guard by controlling the elbow with a C grip, pinching the elbow tight, and using the inner thigh behind the elbow to raise and extend the arm for an armbar.
6 steps
· save to drill into each- 1Start with feet on hips in open guard0:11
- 2As opponent shoots their underhook, freeze before they get completely under your arm0:30
- 3Grab opponent's elbow with a C grip0:34
- 4Pinch your elbow tight to secure the grip0:38
- 5Place your inner thigh behind opponent's elbow0:43
- 6Raise the elbow up using your inner thigh0:45
Source video

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