well whatever, its called lockjaw. have you ever tried to pry open the mouth of a pit/ or american bulldog too thats clamped down on something.... its almost impossible, hence why its called lockjaw
I've heard it referred to as lockjaw many times. But it's just a term used. Second to the Hyena, pitbulls exert the strongest jaws at 20,000 lbs of pressure. Later, QD.