The Ultimate Hook is a great way to keep your gear close by during your next sit in the woods. It holds up to 15 pounds and is ideal for hanging your backpack, quiver, rangefinder, binos, grunt call, and more. To lock in the Ultimate Hook, slide it into the FasTrack rail via one of the four entry ports on the front or sides of your seat frame. Once aligned in the desired position, tighten it into place, then its ready for use. If your stand does not have the FasTrack system, secure the hook using the included gear tie. -Treestand hook easily holds gear from your stands frame -Keep gear close for easy access -Secure via the FasTrack rail on the PRO series climbers -Includes a gear tie for securing to stands without the FasTrack system -Compatible with the Viper Level PRO SD and Viper PRO SD using the FasTrack rail -Compatible with non-PRO series stands using the included gear tie