Originally Posted by
john_lord_b3
A particularly nasty one: Uke punch with right hand, avoid to the inside, parry the punching arm with left hand (atemi to his groin using hiza ate/knee smash while doing this), wrap right hand around opponent's neck (BJJers calls it "guillotine choke"). However, from the guillotine position, ... turn 360 degrees to the left, until we are back-to back with the opponent (our back are against his back). The back of his head will be over our right shoulder, our right hand pinning his chin. From there, do the Seoinage movement to snap his neck.