Thank you for viewing. I purchased this but didn't have a chance to use it, so I'm selling it. I believe it can be used without any problems. 【Product Overview】 The KYSER Quick-Change Capo, loved by many people around the world, is made of durable and lightweight aluminum. The spring-loaded capo can be attached and detached with one hand, and it presses down on the strings firmly without detuning them. It is supported by a wide range of users, from professional musicians to amateurs, due to its ease of operation, high functionality as a capo, design, and variety of colors and types.