crampon
noun /ˈkræmpɒn/
/ˈkræmpɑːn/
[usually plural]- a metal plate with pointed pieces of metal on the bottom, worn on somebody’s shoes when they are walking or climbing on ice and snow
带钉铁鞋底(用以在冰雪上行走或攀登) 词源Middle English referring to a grappling hook: from Old French, of Germanic origin.