Free-Form combat requires fighters to be trained in multiple martial arts including Kali, Wing Chun, Boxing, Kickboxing, Karate, Grappling, Jeet Kune Do (JKD) and Judo/Jiu-jitsu. Fighting ranges incorporate long (hands and feet), close quarters (hands, knees, elbows, trapping), takedowns, and grappling (pins, locks, chokes).