You are upside and opponent lies on his face down.
You take opponent's left collar with your left hand, take his back collar with your right hand.
In this case, insert your right four fingers, thumb is outside.
Lift up opponent's body, pull him by right hand. When his face up, insert your right hand in collar,
let his chin ride on your right arm.
Let opponent's chin ride on your right arm by your elbow. Hold him with turn the neck.