“OK,” Blue said, and went for her signature pin-breaker. It was a difficult move: the arms and left leg stabilize, while the right leg comes up behind the opponent’s back. A twist, a bend of the knee, and your shin is against your opponent’s throat. Then you pitch forward, and your opponent’s head and shoulders slam into the mat.<br/><br/>Difficult, and also dangerous. There was a lot that could go wrong.