Feature:1. REDUCE NOISE: The guitar string tummy prevents unwanted haas and undertones caused by vibrations during practice and performances. 2. FEATURE: This is an excellent training tool for eliminating subtexts and resonances. Reduce threshold and string noise, creating a clear and professional sound. 3. MATERIAL: Made of the highest quality aluminum alloy silencing materials, soft and durable, non-scratching fingerboard ani strings, ensures long-lasting use. 4. APPLICATION: The guitar string tuner is suitable for any 6-string guitar, bass guitar or acoustic guitar. Ideal for use during exercise at home, live performances or in music salons. 5. EASY INSTALLATION: Easy to use, no tools required ani special installation. . Guitar String Mute Noise Muffler Acoustic Guitar Silencer S4 Specification:Article Type: Guitar String Mute Material: stop aluminium . Guitar String Mute Noise Muffler Acoustic Guitar Silencer S4 Package List:1 x Guitar String Tummy 1 x User Manual . Guitar String Mute Noise Muffler Acoustic Guitar Silencer S4