Here is a commercial video that I did for The Zen Staff. This is a weapon that was designed by my friend GMstr. Hui Cambrelen.
Steven L. Malanoski, Hanshi, 10th Dan, posts his hypothesis, reviews, news, commentary, high lights, opinions, tutorials, on Martial Arts. USA / Urban GoJu KaraTe, ShobuDo Ryu JuJitsu, and KoBuDo specifically, but not exclusively.