Bach 10-3/4CW Trumpet MouthpieceBach 10 3 4CW Trumpet Mouthpiece The Bach 10 3 4CW offers the same playing qualities as the 10 3 4C but with the added comfort of a cushion style rim. With a 15. 75 mm medium cupslightly smaller than the 10 1 2CWit delivers a brilliant, voluminous tone while maintaining ease of play. The extra wide rim, raised slightly on the inner edge, is especially well suited for players with thick, fleshy lips or those accustomed to using heavy pressure. Paired