A string instrument mute is a device used to dampen the sound produced by string instruments like the violin, viola, cello, and double bass. It is typically made of rubber, metal, or wood and is placed on the bridge of the instrument. By reducing the vibrations of the strings, the mute creates a softer, more subdued tone, which can be useful in various musical settings. Mutes are often used in orchestral music, allowing musicians to blend their sound with others or to achieve a specific artistic effect. Different types of mutes, such as the tourte mute or practice mute, offer varying degrees of sound reduction, catering to the needs of performers in different contexts.