ATTACKS FROM THE BACK MOUNT
Once the back mount has been achieved, keeping it is the most important goal. The position learned earlier of one hand in the armpit and the other over the opposite shoulder allows the most possible attacks.
(1) Step 1. Grasp the collar with the hand in the armpit, pulling it open to insert the thumb of the other hand deep into the collar. Secure a firm grip.
Collar choke, step 1
(2) Step 2. Change the grip of the hand under the armpit to grasp the opposite lapel, pulling down to tighten the collar against the back of the enemy’s neck.
Collar choke, step 2
(3) Step 3. Set the choke by pushing outward with both hands.
Collar choke, step 3