Always have a shaker or a tambourine on you by attaching the MEINL Key Ring Shaker or Key Ring Tambourine to your everyday set of keys. Remove when it's time to play and you have a fully functional instrument that produces a light shaker sound. This is a fun, novel way of being prepared for any musical situation. Perfect for acoustic shows, stripped-down band rehearsals, or jam sessions. Handy for studio recordings as well.