I'm selling this because I bought it a while ago and haven't used it since I purchased a Deco. Personally, I think it has a more focused sound and better control than the Deco. I went with a professional to select it, so I guarantee a certain level of quality. The founder, Mr. Griego, is a professional trombone player, educator, and was also involved in the development of Edwards trombones. The mouthpieces he created from his experience and knowledge as a player feature a rich lineup consisting of three standard series and signature models with renowned players, and are supported by trombone players around the world, regardless of genre, from classical to jazz, as a top brand in the world. 【 New York Model 】 This is a mouthpiece with a general shape, but it is designed to be slightly heavier than current Bach mouthpieces. It is designed to prevent the overtones of the mid-range from disappearing, which often happens with other manufacturers' mouthpieces, and achieves a bold and present sound.