WOSS Groomers Hook-Up Cam Snap Extender designed for grooming loops and nooses, Made in the USA The Groomers Hook-Up Cam Snap Extender allows you to keep the grooming arm at one height and all you have to do is use the cam buckle strap to adjust the height of any grooming loop or noose. If you wish you can use any slip lead and simply cut the handle off and use the cam snap extender. Made with a 3/4" cam buckle with a breaking weight of 350 pounds.