A modern mute for modern musicians. The jo ral bass trombone straight mute with a copper bottom is one of the best mutes around. Hand spun by professional craftsmen in the united states the copper bottom trombone mute boasts a dark and rich tone alongside near perfect intonation. Unlike other trombone mutes the jo ral straight mute has neoprene enhanced composite cork pads to provide enhanced durability. This composite cork is more pliable and grips better compared to traditional cork. This means youre guaranteed a perfect fit every time you use the mute. Lightweight and easy to use the jo ral trombone straight mute can be found in professional orchestras brass bands and recording studios across the world. Ideal for musicians of all standards the jo ral trombone mute wont let you down.