1. This is a professional rubber violin mute suitable for 4/4, 3/4, and 1/2 violins. It is an open accessory that can effectively reduce the sound volume of the violin while maintaining its tone quality to a certain extent. 2. The rubber material of this mute is carefully selected, which is soft and flexible, not easy to damage the violin surface. It can be easily installed and removed without causing any harm to the instrument. 3. Whether you are practicing at home or performing in a small space, this mute can meet your needs. It helps you control the sound better and avoid disturbing others. 4. The design of this mute is ergonomic, allowing players to operate it smoothly during playing. It doesn't affect the normal playing posture and technique of the violinist. 5. It comes as an open accessory, which means it doesn't require complex setup. Just attach it to the violin, and you can start using it immediately, providing convenience for violin players.