The Ernie Ball FretWrap by Gruv Gear is a professional string dampener that is a must-have for any studio musician, session player, or tapping enthusiast! Slide the FretWrap onto your guitar to effectively eliminate overtones and sympathetic resonance during recordings, live performances, two-hand tapping sessions, or any creative situation requiring extra dampening for cleaner takes, free from unwanted noise or resonance. The adjustable strap allows for fine-tuning of pressure and string dampening. It slides easily onto the headstock when not in use. No modifications, installation, or specific tools are required – yet its effectiveness is remarkable! Size S – Fits 4-string basses, 6-string electric and acoustic guitars, and ukuleles.