The Seydel Deluxe, Saxony, and Symphony chromatics have a mouthpiece option called the half-moon. The half-moon is so named because on edge they are shaped like a semi-circle or half-moon. These mouthpieces have become enormously popular because they are very smooth on the lips. This is in part due to the shape and also due to the silver plating that is used on the exterior. Silver plating is not only attractive but it feels nice on the mouth while playing. Silver platin