Crampoons

Cram`poons´

    (krăm`pŌnz´)

n. pl.	1.	A clutch formed of hooked pieces of iron, like double calipers, for raising stones, lumber, blocks of ice, etc.
	2.	Iron instruments with sharp points, worn on the shoes to assist in gaining or keeping a foothold.

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.