Mouthpieces for Brass Instruments, Root Trainer Lip Muscles, Building Training for Trombone(Silver)

Brass mouthpiece trainer: approach trainer, through practice, target precise muscle self-training. Let the instrument use better.Wide application: brass base trainer is suitable for trumpet, trombone, forest horn, organ, flute, clarinet, oboe and bassoon.Easy to play: get stronger sound quality through a relaxed blowing method.Size: 6.5 x 1.7 x 1 cm / 2.6 x 0.7 x 0.4 inches. Small size, convenient to carry and can be used for practice anytime and anywhere. Premium material: the blow tube trainer is made of high quality brass material, which has the characteristics of corrosion resistance and long service life.