It has a curved and ergonomic design making it easy to adjust and change around. The capo won't weigh your guitar down and is designed with a trigger locking mechanism for effortless usability. The Stagg Flat Trigger Capo Classical Guitar, Chrome is a useful addition for a guitar player, it has a curved and ergonomic design making it easy to adjust and change around and won't weigh your guitar down and is designed with a trigger locking mechanism.