 All of this would support the original theory that the reserve heads were designed as alternate places for the soul of the deceased to inhabit.While reserve heads were only made for a relative short amount of time, they made an impression on later sculpture of the Old Kingdom.Unlike other sculptures from Ancient Egypt, these heads were never intended as part of a larger, composite sculpture; they were stand-alone pieces of just the head done in the round, with a flat surface at the base of the neck suggesting that they were intended to stand upright.