The Clamp Lock - LOCKING, bolts to any webbing, ranging from .5-inch to 1.5-inches. It easily mounts to your backpack or belt strap, offering a reliable attachment point. Once mounted to your backpack or belt, you can connect any round or square posts. It has a small adjustable tension locking lever used to securely fasten the post in the Clamp Lock. There are right and left options to make it convenient to reach the lever on either side, depending on how you mount them.