Warburton Ingram - MuteMeister Cup Mute
Warburton Ingram - MuteMeister Cup Mute, Cup Damper for Bb Trumpet, Combines the best acoustic characteristics of the 1930s Ray Robinson Cup damper and the Shastock Tonalcolor damper of the 1940s, For live and studio, Felted, made without nails, with wood resonator - like the original Ray Robinson damper, Made in USA