- Secure fit: The uniquely shaped thumb rest is cut to fit securely onto your metal thumb rest, delivering optimal comfort and stability during play. - Comfortable rubber material: Made from flexible rubber, this thumb rest provides a soft feel, enhances your playing experience, and is tear-resistant for long-term use. - Compatible size range: Designed for clarinets, this thumb rest accommodates a diameter of 5 to 17.5 mm, making it suitable for various models and easy to install. - Relieves thumb discomfort: With a rubber guard, this thumb rest eases thumb pain and protects your hand and instrument from stress during extended practice. Use scenarios: - During long practice sessions to reduce thumb strain and maintain control. - In lessons, rehearsals, or performances to keep a secure grip without adding bulk. - When switching between clarinet models thanks to the 5–17.5 mm diameter range.