Marker Bindings missing a plastic piece on one of the heel sections. They were also used by Peter Mueller in his later years including several of his victories. Great find. 🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥.