Little to know the techniques, you need to want to break the bones, to beat the teeth, and tame the enemy so that more or not to get up, or bypass the 10th road. Few of the girls are able to turn off the brakes in the head easily and freely, but for the guys this is a natural condition.
You did not fight in the streets, naive office boy. Praised male aggression in most cases breaks down after a couple of beats. But girls, especially those for whom street fighting has become the norm, will fight as long as they can move. Even mentions are given special lectures on this topic, than a woman when detained is more dangerous than a man.