Cat’s Claw Fence Claws for SoftwoodsThe Cats Claw Fastener fence fastening system was designed to give ranchers, farmers, contractors, and other landowners a reliable improvement upon traditional fence staples. A Cats Claw Fastener serves as an exceptional replacement for your standard barbed wire clips, fencing u nails, and other commonly used fasteners for welded wire fence and cattle panels. Our fasteners are easier to install, they have more holding power, and are easy to re use.