Instructional Videos These Videos are free and are to help you with Tenchi Ryu Aikido and Iaido. You would still need to attend classes on a regular basis. Kihon Dosa basicsJo Katas20 JO katasJo KatasKihon Dosa with a JOJO Tandoku DosaKihon Dosa with a JOKihon Dosa with a JOJO Tandoku Dosa