ODI Lock Jaws Lock Jaws are an integral part of ODI's new, revolutionary Lock-On Grip System. They have been specifically designed to interface with all grips in the Lock-On line, Via recessed notches that mesh with the exposed flanges on both ends of the grip. Once engaged on the handlebar, the grip is firmly secured in place is firmly secured in place by tightening the Lock Jaws with an Allen wrench - the positive interface prevents any rotation.