The harness has a three-strap system Each individual with a selected function. The Dynamic Bungee Strap supplies flexibility for motion and respiration with no compromising the draw. The Static Buckle Strap will make for simple on/off whilst providing an anchor issue to attract the pistol towards. The Shoulder Strap https://www.primmaryarmshop.com/product-tag/fn-510-accessories/?per_page=9&layout=list