Trombone Pressure Reducing Valve Correction Assistant Tool Brass Instrument Accessories Breath Training Corrector

Made of high quality copper material, gold-plated surface, silver-plated treatment.
The overall tone has also been further enhanced mouthpiece more labor-saving, using CNC machine tools to make
Good precision cup mouthpiece are designed with care pressure size adjustment, can be adjusted according to the proficiency
So as to achieve blowing labor-saving, more accurate and better sound.

Specification
Material: brass
Color: gold / silver
Category: Brass Instrument Accessories
Weight: 0.16kg
Product name: Trombone pressure reducing valve decompression trainer

Package content
1 * Trombone decompression trainer