Orchestral & Wind Instruments

DIERI French Horn Mouthpiece Pressure Reducing Valve Breath Trainer Mouthpiece Pressure Reducer Device for Correcting Excessive Pressure for French Horn It is a nice tool for monitoring use of pressure and adjusting the breath, correcting incorrect playing methods, and help you play in the correct way. CNC carving with good accuracy and carefully designed, playing is more effortless. The pressure... DIERI French Horn Mouthpiece Pressure Reducing Valve Breath Trainer Mouthpiece Pressure Reducer Device for Correcting Excessive Pressure for French Horn