Starting on Control Side back control with Kimura seatbelt grip.
Keep kimura grip and bring arm over their head.
Swing top leg over and in front of their face.
Use leg to drive their back to the mat to a seated armbar position.
Use left hand on bicep to drag their elbow to your left hip.
Use your right wrist to connect their wrist to your chest.
Lean back and to the side to break their grip.Use both hands to control wrist to finish armbar.

Back control to Armbar using Cross Chest Grip Break