I just used a scrap 1/4" piece of rubber bed liner/rubber flat stock that I laid a steel fender washer on top of and used a razor knife to cut out the shape and drilled a undersized 7/16" hole for 8mm sterling canyon rope. After that I used my belt sander and cleaned up the outer edges. Took about ten minutes total. I used a nite-ize when I 1st started saddle hunting and was too much fiddle factor for me. Since this is my 1st season I have learned a few things the hard way, like forgetting to place the rubber washer BEHIND the delta quick link before rappelling. That ended up costing me double. Had to 1 stick back up after pitch dark and busted some of the deer I was hunting in my prime spot..