In many states in the U.S. if you are a trained fighter, your hands and feet qualify as deadly weapons. So, watch out.
It seems that only one weapon is left to the law abiding. I suggest you carry of copy of Al Gore's "Earth in the Balance" from which you can read aloud, thus causing your attackers to commit suicide or at least fall asleep.
I have a carry permit. I am a minister.
Figure that out. LOL