If you want a mature and cool sound, this is the one! Otto Link, a hard rubber mouthpiece for baritone saxophone. The opening is a 6, so it's recommended for those who aren't confident in their lung capacity. The coolness and thickness of the sound are as advertised. I think it's suitable for playing in quiet cafes or jazz bars. It has been used, and there are traces of patches that were attached. It can be played without any problems. I'm selling it because I've been using metal mouthpieces more often. Thank you for looking.