The harness has A 3-strap system each with a certain functionality. The Dynamic Bungee Strap gives flexibility for movement and respiratory with out compromising the draw. The Static Buckle Strap makes for easy on/off though furnishing an anchor level to attract the pistol against. The Shoulder Strap delivers for https://www.primmaryarmshop.com/product-tag/fn-510-accessories/?per_page=9&layout=list