Gary Payne, one of the most recognized instructors in the United Kingdom, is the founder of the RDSA, a simple and effective method that is already being employed by specialists from the Army and police services to organizations that help women who are victims of violence. Gary reveals the keys to success facing the most common assaults: the adequate mental attitude, the defense techniques against grips to the head, frontal strangulation, surprise attacks from behind, multiple attacks, the bear hug, as well as defense against knife, ground defense, and the most effective striking techniques. An excellent method that will boost your physical condition, power, speed, and your ability to defend yourselves.