Material: plastic Release Rating: 9 Boot Compatibility: touring (ISO 9523) Brakes Included: no Safety Features: AutoFlex System, Backland Summit Heel When it comes to the Atomic Backland Summit 9 LSH Binding the "LSH" stands for "leash". The lack of brakes saves weight compared to its closely related Summit BR binding without sacrificing the reliable 9 release value, lightweight construction, and 3 different heel elevators.