G7th Performance 3 ART acoustic guitar capo Silver. The Performance 3 is the culmination of years of designing, tweaking, and improving - but most importantly, listening to guitar players and their experience what a capo should do. Now, coupling Unique Tension ControlTM system with the groundbreaking ART® string pad mechanism gives a near-perfect capo experience. Get custom engraving exclusively from G7th.com - head to a product page to see options and prices.