Learn how to do a legwhip neckpull throw ( li shou bo ). That's a shuai jiao technique where you throw your opponent by pulling his neck and whipping his leg with your hand. First grab your opponents neck with your right hand ( see video ).
Do a gaibu ( cross step ) and then a shangbu ( forward step ). Crouch down and keep your feet wide appart ( upper body upright ). This has to happen very fast. Put your hand on your opponents shin ( just above tha ankle - thumb points up ). Then pull him down in a circular motion and whip his leg up at the same time.