a step - in binding for telemark ski having safety release mechanism . the binding comprises a mounting plate , a housing , a clamp lever and a step - in lever . step - in securing is initiated by applying pressure to an step - in lever , which in turn causes a clamp lever to rotate downwardly towards to hold a ski boot in place . a latching means comprising a tooth and a catching post locks the clamp lever in an engaged position to securely hold the ski boot . a safety release mechanism is activated by rotating the housing assembly about an pivot post such that the tooth falls off the catching post , thus allowing the key to be lowered and opening the toe clamp to release the ski boot . the binding is automatically reset to a position for receiving the ski boot after the safety release mechanism is activated .