By this DVD Masao Kagawa Shihan instructs how to win Kumite competitions and to become a top competitor of Karate. He has obtained those knowledge through his career as the chairman of the athletes' committee of JKF.

This video is presented by the below top ranked 5 Japanese Karate athletes. Hideyoshi KAGAWA: a gold medalist in the world game 2017, Daisuke WATANABE: champion in the all Japan competition 2017, Kayo SOMEYA: a bronze medalist in the world game 2017, Ayumi UEKUSA: the 1st place ranked Karate athlete for WKF 68kg class, Miho MIYAHARA: won the world students' Karate competition 2018 Instructed by Hideyoshi KAGAWA Shihan as the chairman of JKF athletes' committee. KAGAWA Shian has been raising strongest athletes in the field of traditional Karate with the features of remarkable speed and instantaneous power. In these videos (2 volumes) he shows and explains his special Kumite training methods mainly with use of rubber band to strengthen speed and power. In the vol. 1( How to train basics), he teaches, as an alone practice, how to achieve sharp movement without risk of getting injury.

Instructed and edited by Masao KAGAWA Shihan (the chief Shihan of the Nippon Shoto assosiation, NPO corpolation., the chairman of the athletes' committee of JKF, public interest incorporated foundation) When he was an athlete, he himself become the top athlete of Kumite and Kata in Karate competitions. He instructs a Karate club of Teikyo University as a director and has raised his group as a wining team. Also a lot of his disciples have been selected as the all Japan Karate athletes. He also works as a counselar of technical orientation commitee of the world Karate association. 9th Dan of the Nippon Karate Shoto association, 8th Dan of the all Nippon Karatedo Association, He published video "Shotokan-ryu Karate Kata JUNRO" by BAB Japan, etc.