Mesmer Hinge Set (the one from Levi van Rijn skate) It’s the small details that make a skate not just good, but great. Levi´s pro model throne comes with a unique cuff hinge that incorporates the Mesmer swirl graphic. Whether you need to replace your hinge bolts on your own Levi Thrones or want to give your John Bolino Thrones a new style, the Mesmer Hinge Set makes it easy to replace your current cuff bolts and keep your skates looking fresh.