Using the hair for a target, pain, and control are normal, keep in mind where the head goes the body follows, a few “ key” areas I feel are better than others are, top of the head from back especially, the temples, and the ear line , the bangs can be useful But if it is a real fight you open the arm to being bit. It’s hard to believe cause hair pulls look devastating but if done right one does not need to tear out a fistful to cause pain and gain control, but ripping it out on a rival does provide one more area and level of pain that can cause a surrender and as I said control.