All you need is your pair of lace up walking or running shoes.
This heel lock will prevent blisters by keeping the ankle and heel tight without tightening the whole shoe.
You will also be able to avoid black toenails!
You may have noticed a lot of running and hiking shoes have an extra shoelace hole at the top, and this video shows you how to use these holes to tighten up.
This article originally appeared on Starts at 60.