Watch Free Online HD Moviesjoy. The documentary covers notable Japanese martial arts from Okinawa Karate to Ninjutsu, Kendo, Shorinji Kenpo, sword fighting techniques, and even firearms. Various martial arts masters, from Shorinji Kenpo founder Doshin So to Japan Karate Association’s Masafumi Suzuki (who also frequently appeared in Toei’s karate films) and a supposedly 102 year old Okinawa Karate practitioner are brought in front of camera for interviews and martial arts demonstrations.