httpvh://www.youtube.com/watch?v=_KZm5bHKnl8 1980 – US Embassy demo in Tokyo httpvh://www.youtube.com/watch?v=oSlU7XmyPTM 2008 – Bujinkan Kashiwa Demonstration httpvh://www.youtube.com/watch?v=Nhv4x5xdHSQ 1989 – München Taikai httpvh://www.youtube.com/watch?v=chmbgrhkGB0 1991 – Daikomyousai Japan httpvh://www.youtube.com/watch?v=qQkIIDNCyyQ Why we don’t break boards