I happen to be personal training given that 2015 from substantial box gyms to at least one-on-one particular personal training in a private studio environment, and are practicing, competing in and instructing martial arts because 2011. Jon Matzov It is not an introduction to the method itself, but somewhat https://youtu.be/3j78-5sDzX0?si=TMh7OQwuVFf6ubXY