Order NOW and receive the USKMA Level 1 Instructor Curriculum DVD FREE! Need more adults in your gym? Learn from Mark Slane, the leader of the United States Krav Maga Association who advises dozens of gyms across the U.S. on exactly how to do that. Mark ran a mega gym on Ohio with 3 locations and over 600 adults! He now shares with other dojo owners exactly how he did it.