A woodwind mute is a device used to alter the sound of woodwind instruments, such as the clarinet, saxophone, or flute. It is typically made from materials like rubber, metal, or plastic and is inserted into the instrument's bell or mouthpiece. The mute reduces the volume and can change the timbre, allowing musicians to create different tonal effects. Musicians often use woodwind mutes during practice or performances to achieve a softer sound or to blend better with other instruments in an ensemble. The use of mutes can enhance the expressiveness of a piece, making it a valuable tool for woodwind players.