Empower Yourself – Defend Yourself – May 19th Posted on April 15, 2012April 26, 2012 Yama-Kan Kajukenbo School is hosting a seminar with Grandmaster Jay Vera on May 19th. We’ll be working on self-defense grab technique, aikido, jujitsu and Silat Style Defense. Come and join the Ohana Gathering. Great People – Great Times!