ReedGeek Klangbogen Saxophone Bore and Reed Stabilizer One Piece SystemThe Klangbogen is a German developed product from the ReedGeek family. It instantly increases the depth and output of your saxophones tone while stabilizing the extreme ranges. This product helps your saxophone speak with more clarity and projection. The Klangbogen is made of a beautifully crafted solid brass bow. The one piece model is made to fix any saxophone without a traditional lyre attachment. The Klangbogen's design maximizes the air flow