Welcome to Fred Mastro's Youtube Channel! With over 20 years of experience in private security work and close protection, Fred Mastro has become a defense specialist that has helped him develop and adapt techniques for the everyday-citizen. He has trained armed forces and special units across the world in knife techniques and improvised weaponry as well as empty hand combat. --- Bienvenue sur la chaîne de Fred Mastro, expert international en Self-défense, spécialiste du combat au couteau ou toute arme improvisée depuis plus de 20 ans. Fred Mastro est formateur en self-défense civile, police et militaire, ainsi que pour des services de protection rapprochée de chefs d’états.