Brand Booster Trombone BBPG-G

Brand Booster Trombone BBPG-G, Booster for Trombone Mouthpieces, The booster has an sophisticated holding system that prevents marks and can still be firmly attached to the mouthpiece, This gives plastic mouthpieces a comparable weight to metal mouthpieces while retaining a more comfortable feel on the lips, Suitable for all standard metal mouthpieces, The weight on the mouthpiece reduces vibrations, the sound is more centred and accuracy increases, Set with three bushings for shafts S, M and L, Colour: Gold polished ...