You are upside and opponent lies on his face.
Seize opponent's body by legs, insert your left hand under his left arm and grasp his collar deeply.
(If you can not take the collar, grasp left wrist. )
Grapes his left wrist by right hand.
Lift up opponent's body step up your right leg toward his neck and your body right ahead.
Go to opponent's upper side pushing his waist by your left leg.
Control opponent's upper body crossing your legs. Left leg should be upside and choke his neck lifting up your
waist(Sankaku-jime).
If it is not effective, take his left arm and bend back its joint.
His left thumb should be upside and your waist should be lifted up.