Comosono Silence Practice Mute - Vn/VaPractice at room volume without restrictions, both on the road and at home. Maximum safety for your instrument. Unique warmth in sound. Unmatched precision no compromises. Mounted beneath the strings, Silence does not hinder your bowhand Maximum safety for your instrument. Silence remains firmly attached to the bridge during intensive play. Thanks to the position of the mute, the sul ponticello bowing style can be used for the first time High tech