|By Sensei Robert Koga Volume 2: Sensei Koga shows key wrist leverages, nerve-pressure takedowns, kick defenses, and other techniques utilizing knowledge of anatomy. Approx. 55 min. Sensei Robert Koga worked the mean streets of Los Angeles, California and became the premiere law-enforcement instructor for the LAPD and countless other agencies in the U.S. and around the world. In this 5 DVD Series, he takes us beyond the theory and into the real world of Practical Aikido to teach techniques that have been tried and proven in real-life situations. This series represents one of the finest and more comprehensive works ever presented on this subject.