Photography Muslin/Paper Nylon Clamps YA401 Photo Studio Metal Clamp with Spigot Nut Materl:Plastic * Clamps onto most standard sized stands * Grips the background to the backdrop stand Clamps are perfect when you need to attach any kind of fabric background to a support system. They work perfectly for Muslin, paper, and even canvas backdrops. These clamps are also known as spring clamps, A-clamps, and even studio tongs. Photo Studio Metal Clamp, Photo Studio Metal Clamp with Spigot Nut, Photographic Studio Plastic Clamp Super Strong Suppliers