LOAD BINDERS:A lever type of load binder (also known as lever chain or snap binders) is made up of a simple machine, a lever, with a tension hook on each end. The lever is used to increase the force applied to a tie-down. The lever is hinged and takes up the slack by pulling on one end of the tension hook and will lock itself after a 180-degree rotation of the lever around the hinge. They require a relatively high manual force to be applied by the person installing the binder in order for it to tighten and secure the chain. While they take more manual force, they are typically quicker and simpler to install because of their straight forward design and application with less moving parts.