Hi David, glad to hear from you and hope you are doing fine. I think the training you engaged in is spot on. When i was a police officer the one thing we focused on in training is bringing the suspect to the ground. I like to use the example of a skyscraper. If the foundation crumbles the building will fall. When i was attacked on different occasions i performed a simple front leg sidekick to the subjects leading leg as he was moving in. The actual target was the side of the knee not the thigh. By performing this technique a couple of things occurred. 1. It stopped the subject immediately by preventing his lower extremity from moving forward which in turn caused him to fall. 2. It allowed me to keep my distance to prevent him from striking or grappling me to the ground. 3. It produced enough pain that the suspect lost all mental awareness to want to continue the attack. I might also add that the only injuries sustained at each of the confrontations by the suspects ranged from a sprain to knee dislocation. None of the injuries required surgery. So in closing i am a big believer in using the most simple and least involved techniques required to get the job done. Take care my friend and thanks again for the valuable input in your website. Always thought provoking and allows me to learn from your experience. Sincerely, Doug.