French Horn Mouthpiece Pressure Reducing Valve Breath Trainer

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French Horn Mouthpiece Pressure Reducing Valve Breath Trainer

Arnolds & Sons Practice Adapter French horn – Thomann United States

[IMPROVE PERFORMANCE] Reduce pressure on the mouth for improved comfort and skill in playing the French horn. [DURABLE AND RELIABLE] Made of premium

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The subject exhales via a mouthpiece and a directional valve into a

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