"Soulo Mute Trumpet Straight Mute SM6525, a perfect hemisphere on the bottom, which allows for a perfect pitch, free-blowing experience with no air disturbance, due to Aerodynamic Design, and its crimp-free connection, a..."
Warburton TR-4 Woody Straight mute for Bb- trumpet, made of Oak wood, a beautiful subtle sound between the Maple and the Hickory, allowing very soft playing
Warburton TR-3 Woody Straight mute for Bb- trumpet, made of hickory wood, a very exciting sound with minimum effort. It sings out without having to "push" it