Threshold is the home of world class CARLSON GRACIE (BJJ) Brazilian Jiu-Jitsu, Muay Thai Kickboxing & the legendary Summer Camp Samurai. Since 2010 we have provided expert Martial Arts training for women & men, kids & adults. We offer a healthy, safe & challenging environment that promotes camaraderie and personal growth. At Threshold Martial Arts, fitness, fun & self-defense go hand in hand.