The Eagle Claw String Bobber Stops with bead are simple to use and won't damage your line. Just put the main through the tube and slid the Bobber Stop (string) off the tube, toward the rod end of the line. Tighten loose ends of the Bobber Stop at desired length and trim excess ends. Add the included bead and your bobber, then tie on your hook as needed. 3 per pack.