French Horn Mouthpiece Pressure Reducer Breath Trainer Valve Device

1 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. 2 CNC precision carving with good accuracy and carefully designed, playing is more effortless. 3 The pressure can be adjusted according to proficiency, thereby achieving effortless playing and more accurate and better sound. 4 Made of good quality brass material with Gold/Silver Plating on the surface, which is very durable and has a sleek and beautiful appearance. 5 The nozzle pressure reducing valve is suitable for the French horns, easy to install and use.

What's in the box
1 x French Horn Trainer