Shop online for Bent Metal bindings, like the Step-In model with it's aluminum highback, or the Biscuit and Missionary bindings. Bent Metal Binders are more than just bindings, they are fully adjustable Binder Machines™. With a perfect binding fit, you will achieve maximum performance and pleasure. Bent Metal Binder Machines are fully customizable and easily adjustable, to accommodate every human oddity and calculable shredding variable. Fortunately for you, the world’s most adjustable binders need no adjustment!