My Clarinet Stuff is the official North & South American distributor of Gleichweit Mouthpieces—precision-made clarinet mouthpieces and barrels designed in Austria. We offer a curated selection for all playing styles, along with our popular Test Box Program: try 4 mouthpieces at home for 7 days before buying. Trusted by over 75 professional artists worldwide, Gleichweit products are known for clarity, balance, and consistency.