David Kahn provides three great learning options! This instructional material will develop and enhance any self-defense enthusiast’s respective skill set — from the average (wo)man to the experienced police officer to the battle-hardened special operator. Mastering Krav Maga Online includes more than 340 lessons (42[+] hours of cumulative Israeli krav maga training) to help you defeat nearly every conceivable type of close-quarters violent assault/personal violence.