French Horn Pressure Reducing Valves Horn Mouth Corrector Breath Training Correct Professional Correction Assistant Tool Brass Valves Stem

Pressure reducing valves for horn mouthpieces, pressure adjustment, correction of blowing, good embouchure and breath, in order to progress towards professionalism The mouthpiece is more effortless, and it is made by CNCcutting brass and with good cup mouthpiece are designed with care Golden/silver plated round horn mouthpiece with pressure reducing valves, the main purpose is to adjust the breath and correct wrong blowing, with to play of course Pressure size adjustment, and can be adjusted according to the proficiency, so as to achieve the mouthpiece to save effort, more accurate and better sound Your satisfaction is our priority, please to purchase our product at ease. If you are not satisfied with our product or have any questions, please to our