YAC MPCA-MP
Mellophone mouthpiece adapter; allows mellophone to use horn mouthpieces
Great for marching band
YAC MPCA-SL
Trombone mouthpiece adapter; allows large bore trombone to use small bore mouthpieces
Great for switching instruments in school band
Made from silver plated brass
Knurled end makes removal easier
Allows a player to switch instruments without having to learn/find a new mouthpiece