Seminar with "dirty dozen" member Professor Dave Kama November 15th at Delaware Jiujitsu in Chadds Ford, PA. This seminar will take your jiujitsu to the next level with Dave Kama teaching Rickson's principals of using weight, leverage, connection and base to make your jiujitsu more effective. Open to all gyms and great for all belt levels and kids. For info/registration contact Jay@delawarejiujitsu.com