Kai-sensei demonstrating kata Hangetsu

Sensei Kenta Kai 3.dan JKS demonstrating kata Hangetsu under the watchful eye of Sensei Takashi Yamaguchi 7.dan JKS. This was filmed during the JKS World technical seminar on the 23-24 of november 2013 at the Sogo Budokan, Teikyo university, Tokyo, Japan