Sshhmute Practice Mute For Piccolo TrumpetThe unique design creates minimal back pressure, which helps the throat muscles to achieve better control, provides better air supply and flow, while being in tune and accurate throughout the range. Needing to practice at odd times and in odd places over the years (and the absence of a suitable mute) was the reason Trevor Bremner designed the sshhmute. In development over several years in his New Plymouth workshop, the sshhmute is at long last in full