Our Universelle Rutschfeste Greiferspitzen contain rubber. It can be used with a variety of sports shoes, hiking shoes and alpine boots. Suitable for mountaineering, hiking and other sports, suitable for ice, grass and other environments. Its use is simple: simply turn the cleats out, tie the front end of the crampons to the tip of the shoe, the back end to the heel, and adjust accordingly. Can firmly grasp the ground, not easy to slip.