After my last self defense class I received an email from one of the participants asking what I would suggest as good defenses for having your arm behind your back and held against a car or wall. We did a little experiment with a couple of my female students. It turned out to be some really good training and hopefully an eye opener. I realize that it is difficult to train with the realism of a real situation and I obviously don't want to hurt my students, but I think this was good training ...