Pro Series A172 Tip Tapper Pool cue tip tapper Features a ring to attach to your keychain and is small enough to fit pretty much anywhere Used to flatten the nap on your leather pool cue tip for more consistent play Can also be used to scuff a badly glazed tip You can also use it to force more chalk into the scuffed leather of your pool cue tip  which reduces miscuing and allows you to exert more control over the cue ball