Play the trumpet or cornet and want to add more expression to your sound? Try the Denis Wick 5531 Adjustable Cup Mute. Perfect for musicians who're always playing different parts and roles, this pure-aluminium mute helps you pull clearer, sharper or warmer sound out of your instrument as needed, and can even be used as a plunger mute to get a wah-wah effect. Finished with durable, natural cork strips.