Championship Productions Bob Kloppenburg: The Encyclopedia of the SOS Defensive System DVD In-depth look into the SOS Defense with NBA legend Bob Kloppenburg Three-part clinic series is a one-of-a-kind presentation on basketball's most respected defensive system Terminology, drills and teaching points which will allow you to disrupt any offense Principles are adaptable to teams from junior high to the pros 284 Minutes (3 DVDs), 2006