Numbers 31:20

And ye shall purify every garment and every leathern utensil, and all furniture of goat skin, and every wooden vessel.

And purify all your raiment, and all that is made of skins, and all work of goats’ hair, and all things made of wood.

You shall purify every garment, and all that is made of skin, and all work of goats’ hair, and all things made of wood.”