NOW AVAILABLE "Ninja Tantojutsu & Close Quarters Weaponry" Instructional DVD! http://dojopress.com/catalogvt39.html This 40 minute DVD contains fundamental knife skills as taught within the Triadic Martial Arts Institute. Along with a close quarter’s weapon section covering use of the Shobo and rarely taught Shuriken in grappling range! Click on the link above or go to our products page to purchase now!