When you sprawl and end up with your whole body weight on your opponent’s back, you can spin to his side by reaching your arm over your opponent’s back, capture his far wrist with your hands and suck it in tight. It will serve you as a seat belt that locks you to your opponent and allows you to work him over by dropping punches and hammer fists with your opposite hand. From this position, your opponent could try to trap your arm you are controlling his with and then roll you all the way over. If this happens, you should post your head on the mat and let his body turn underneath you to end up in a kind of crucifix position.