We all know how frustrating it can be when all the beads you've just strung accidentally slip off the thread. This simple and handy little device clips to the end of your thread to keep beads in place while you're working. No more spilled beads to clean up, or starting from scratch. The easy to use Bead Stopper is ideal for fine thread. The Bead Stopper Clamps are made from stainless steel to prevent rust.