Tom Crown Trombone mutes have become the choice of professional orchestral players around the globe. With choices of brass copper and aluminum Tom Crown mutes provide a limitless range of tonal colors for the brass musician. Featuring an excellently shaped bell contour that forms a perfect acoustical match to your Trombone the Tom Crown Trombone Straight Mute will take your playing to new heights. Tom Crown 30TTC Trombone Mute Straight Cup End