Humes & Berg Tenor Trombone Sh! Sh! Practice Mute

Stonelined Mutes play perfectly in tune and are easy blowing. For the perfect professional sound all the time, Stonelined Mutes offers many different models to produce various outstanding tonal colors for the brass player. Included in the many Stonelined Mute features that allow the outstanding colors of sound is the secret formula used to line each and every Stonelined Mute.