Knee On Belly Escape

Step 1: Assuming the top guy has knee on belly on my right side, I bring my left arm up to grap the lapel of T and pull down to break his base.

Step 2: When T bases out his arm on my left side I use my left arm to come in between the space of his arm and his knee.

Step 3: Using my underhook and pushing against his belt above his groin I shrimp up and take the back