Answer: crampoon

AnswerCrossword Clue
crampoona device for raising heavy objects, also CRAMPET
crampoondevice for grasping and lifting heavy loads, usually consisting of a pair of hooks suspended from a chain or cable, the upward pull on which provides tension for the hooks to grip the load on opposite sides
crampoonspiked iron plate worn on boots or shoes for aid in climbing or to prevent slipping on ice, snow, etc.