Aiki combat jujitsu as taught by Calvin Metz who has been in the Martial Arts for over 20 years. Ten of those years he studied Hapkido. He also studied Diato Ryu Aiki Jujits under Sensi Sterling Dyson for 8 years. He has combined those styles together with many other styles he has studied over the years in order to teach the most street effective techniques. In this series of tapes he will take you from the basic locks and throws all the way up to the techniques that are required for Black Belt.