The solution to your practice and warmup problems. This mute is a must for every players kit. Warmup backstage or in the pit without disturbing the performance. Perfect for late night practice sessions when the family is sleeping. This mute reduces the sound of your playing while minimizing additional backpressure and pitch change. If you are going to buy a practice mute, this is the one for you! Hand crafted from specific aluminum alloys, it fits in the bell of your trombone for easy storage.