Millersville MMA - 3rd Degree Brazilian Jiu Jitsu (BJJ) Black Belt, Jon Garfield, shows an arm bar variation from the mount. Visit the above website for additional information! br br Garfield Martial Arts br 657 Old Mill Rd, br Millersville, MD 21108 br (410) 260-0353 br br br GarfieldMMA.com br Facebook.comAnnapolisMixedMartialArts br Facebook.