So That's What That Extra Shoelace Hole is For...
Have you ever stopped to look at your running shoe... ...to create a "heel lock" or "lace lock" with your shoelaces , which will keep your foot tight in your sneaker....
https://www.neatorama.com/2015/05/12/So-Thats-What-That-Extra-Shoelace-Hole-is-For/
