Soulo Tenor Trombone Bucket MuteSoulo Bucket Mute is perfectly in tune in all registers (including pedal tones), has no back pressure, and no squirelly notes. The unbreakable, coated brass clips are flexible to accommodate all bell sizes and allow for quick on and off. It is considerably lighter than all other brands. The adjustable settings allow the trombone player to blend perfectly in a section comprised of different brands of bucket mutes. The mute works great for performance