One example embodiment in this disclosure provides an apparatus including a retainer, anchored at a heel position within a shoe. The apparats also includes a heel strap having a first and second end and a mid-section, wherein the first and second end of the heel strap is anchored on a sole of a shoe, and wherein the mid-section of the heel strap is attached to the retainer. The apparats also includes an adjuster associated with the heel strap configured to adjust length of the heel strap.