Simply attach bracket to ATV rack (universal fit mounts to virtually any rack) or UTV bedrail and lock the Gun Boot into bracket by pin or padlock. The Boottector offers precision gun angle adjustability and provides custom fit on your ATV _ adjustments can be done without tools! Compact design takes up little space and minimizes vibration over rough terrain. Tough fiberglass-reinforced nylon construction with brass insert makes this Gun Boot bracket indestructible _ well almost. Compatible with the Gear Lock & Load System and Utility Gear Rail System