1,REDUCE THE IMPACT OF LOUD PLAYING: This compact mute can be attached to the violin bridge, reducing the vibration of the bow on the strings, thereby reducing the impact of loud playing. 2,SUITABLE FOR DIFFERENT VIOLINS: This mute can be applied to all sizes of violins, including 4/4, 3/4, 1/2, 1/4 and other specifications. 3,RUBBER MATERIAL: This speaker is made of premium rubber material, which is soft but sturdy and will not cause damage to the strings. 4,EASY TO USE: This mute is very easy to install and use. You just need to place it on the bridge of the violin to easily activate it. 5,CONVENIENTLY STORE: Small size and light weight, the violin practice mute can be conveniently stored in the accessory bag of any violin case. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.