【⚠️No price reductions or requests for specific prices. For bulk purchases or repeat customers, I may consider a small price negotiation.】 【⚠️The default shipping method is Japan Post, but it may be changed to Yamato depending on the situation. Please rest assured that the shipping will remain anonymous.】 【⚠️I am also selling on other platforms, so please forgive me if an item is out of stock (I do not sell on Amazon). I may also suddenly remove an item from sale for various reasons.】 【⚠️For ATM payments, please only purchase if you can make the payment within 24 hours.】 This is a mouthpiece rim for embouchure practice purchased from Amazon. You can check your embouchure with a mirror, etc. Although it has completely discolored, there are no problems with its use.