Aluminum Alloy Capo Tune Clamp Key Clip Tool for Electric / Acoustic GuitarMain Features:? Aluminum alloy guitar capo tune clamp key clip ? With soft protection plastic so won't hurt your guitar? Specially designed for electric or acoustic guitars? Quickly and easily released and repositioned without disturbing the tuning? Can operate by one hand・ easily and comfortably? 4 color optional? Small in size・ convenient and portable