Ok so I purchased an awesome knife today. It's a spyderco endura wave. This is my first real self defense knife. I have probably 100 knives but not a true self defense knife like this one. I am looking for a good training DVD or set of them. I have found by google searching them that there are thousands of them. So what say ye community? Whats the best self defense knife instructional video? I am leaning to janich a little bit but I want to hear other recommendations. Thanks in advance!!