You take opponent's collar by your right hand, you take his right sleeve by your left hand.
You fix opponent's right elbow with your thigh. Your left leg fit to his waist, you had better straighten his back.
You wave your waist to right, trim off opponent's head, strangle him by "Sankaku-jime". You can use your left leg like seize his arm.
Seize opponent by lifting your waist. If you can not seize him enough, you can bend back his right arm joint.You have to seize his head,not seize body.