Belly Down Armbar from De La Riva
A submission from De La Riva that forces a post to break posture, using a collar drag and knee pressure to align hips and finish an armbar. It solves the problem of strong base by manipulating the opponent's center of gravity.
10 steps
· save to drill into each- 1Force the opponent to post a hand on the mat.0:07
- 2Step on the opponent's bicep or knee while pulling the collar.0:45
- 3Use the back of your hand to push the opponent's face/head to the side.1:28
- 4Kick the knee and pull the collar drag simultaneously.2:21
- 5Step on the hip and bring hips in close to the opponent's arm.3:51
- 6Roll through, grabbing the wrist with the controlling hand.4:29
- 7Finish the armbar by extending the hips and controlling the wrist.4:50
- 8If the opponent connects their hands, sit up to break the grip.5:11
- 9If the opponent turns into you, force them to look away.6:18
- 10Maintain chest pressure on the tricep/elbow to break the grip.6:56
Source video

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Then the round started — and you forgot it.