Vintage Purviance Trombone MouthpieceHandcrafted trombone mouthpieces from the original tooling of master craftsman, Carroll Purviance. Available as a one piece mouthpiece on the original Purviance outside shape for tenor trombone with small shank. The 4*1 and 4*3 were originally designed for motion picture recording, and were equally popular for radio, dance, theater, and concert band work. The 5*1 and 5*3 are ideal for symphony playing or any other work where a full, sonorous tone