Youll definitely want to add these to your stick bag! The StickMate Tambourine and Shaker models slide right on to your stick, brushes and mallets to give you added sound effects while playing, Theyre made of lightweight polymer and the low profile wont interfere with your playing. Theres a cut out in the handle for your thumb to rest in and contact the stick. You can easily put it on and take it off, or tape it on to the grip for extended usage. Patent Pending.