The Classification of the Ice

C1: ice is used only for snow and ice to walk, his front PAWS and followed by connecting or flexible but activities. Can cooperate B1, B2, B3, hiking boots;

C2: ice is snow mountain climbing, front PAWS and followed by a flexible connecting to half. Can cooperate B2, B3, hiking boots;

C3: is the rigid crampons, designed for climbing, ice, ice waterfalls, mountains with snow or ice crampons climbing wall game. Can cooperate B3 hiking boots.

Any theory is not as good as real example is easy to understand. So in the next with foreign first recognized as a basic design is the most complete products, to do an online survey, combined with the design of some domestic supply for example.