Kokkar Kempo DVD 1 by Omar Martinez Sesto Jiro Otsuka Double Leg Takedown Katsuhiko Kashiwazaki Double Leg Takedown Marcus Almeida vs Fabiano Scherner He told me in our interview: "When you are in a hostage situation you are totally alone and you need to be able to make life or death decisions Without a doubt martial artists represent a group of people who have many of the attributes needed by security experts and their techniques can be adapted to very different situations: "Kokkar is a combat system of direct application which has been developed to meet extremely high risk situations and even though it is based on Martial Arts its techniques are fundamentally of a professional nature"