Regardless of your level of training, defending against a knife attack is very hard. No amount of training can reduce the risk, but training for a knife attack will help you survive. When defending against a knife attack, there are a few things you should avoid doing and there are some things you can do that will help you come out of it alive. In learning to successfully defend against a knife attack, we must understand as much as we can about the attacks themselves. The more we know about them, the more we can tailor our training to fit reality. We must understand the offense in order to plan a defense. We also have to consider the special dynamics of an attack with a knife. The knife may be hard to detect, so we may not even know initially that a knife...