Blackpowder Products The Claw Muzzleloader Sling with SpeedClip Loader The new Claw Muzzleloader Sling combines all of the great features of the Claw sling with the benefits of the PowerBelt SpeedClip loader. Easy to install and easy on your gun, Hushstalker swivels will not mar or scratch your stock. And the Claw sling's patented "no slip, all grip" design ensures that your gun will stay on your shoulder, even in the most strenuous of hunting conditions. The Quake Claw Muzzleloader Sling comes ready to install with Hushstalker II Swivels included.