FACT: Over 80% of jiu-jitsu techniques are useless when strikes are added to the fight. In this detailed slice from the Gracie Academy Street Defense Mastery Seminar, Rener demonstrates some critical components of the Punch Block Series to illustrate the huge differences between "street fight distances" and "sport grappling distances." To own the principle and learn the most important distance management concepts from the remaining seven positions in a fight, make your way to a Gracie Super Seminar as soon as possible! Australia Super Seminars with Rener Gracie Sydney, Australia - November 8 (Four Mastery Seminars in One Day!) Melbourne, Australia - November 14 (Four MORE Mastery Seminars in One Day!) Ryron Gracie Super Seminars Ft. Collins, Coloroda - November 7 Santa Cruz, California - November 20 Pre-register for all Super Seminars at http://www.GracieAcademy.com/Seminars http://www.GracieUniversity.com - Find a Certified Training Center near you, or learn Gracie Jiu-Jitsu f