Verses with the word heels in the Old Testament (4 verses):

Genesis 49:17
Dan shall be a serpent by the way, an adder in the path, that biteth the horse heels, so that his rider shall fall backward.

Job 13:27
Thou puttest my feet also in the stocks, and lookest narrowly unto all my paths; thou settest a print upon the heels of my feet.

Psalms 49:5
Wherefore should I fear in the days of evil, when the iniquity of my heels shall compass me about?

Jeremiah 13:22
And if thou say in thine heart, Wherefore come these things upon me? For the greatness of thine iniquity are thy skirts discovered, and thy heels made bare.