Sport Ninjutsu?
In the last few years we have been doing a lot of grappling and Brazilian ju-jitsu techniques, with references to our own Koryu tradition, though not all of us got the hints. Exercising combat sports is fun and helps us improve our stamina, strength and "clean submission" techniques. Through combat sports part of our team-mates became excellent sportsmen who manage to subdue their opponents in almost any ground situation.
