willie's Custom Brass Willie's Trombone Mouthpiece U3 HAKOYAMA Series Large Bore SP Finish (5M)

A mouthpiece with a newly designed U-shaped cup. Supervisor: Yoshiki Hakoyama (Chiba Symphony Orchestra) SP finish, rim diameter 25.90 (mm), throat diameter 7.20 (mm) FYH rim A uniformly flat and stable rim. For those who control with the lower jaw.