The United Studio of Self Defense, America's self-defense leader, provides group classes and private lessons in…More self-defense for men, women and children. Instructors hold black belts and teach the basics of almost every martial art.</p> <p>This United Studio of Self Defense, which is rooted in the Shaolin Temple tradition of kung fu, offer two weeks of instruction free to first-time clients. Employees of the Promenade on the Peninsula and family groups receive a 10-percent discount.</p>