If you’re constantly annoyed by getting blisters on your heels from your running shoes (or hiking boots or climbing shoes), then you’re going to want to check out this trick we learned. Heel blisters are usually caused because your shoes aren’t tight enough and your heels in turn slip around in your shoes when the road or trail gets rocky or uneven. Luckily, an extra hole in your running shoes can help to lock your feet in place and prevent blisters altogether:
The best part about this trick is that your shoes don’t have to have an extra lace in order to do it. You can just use the regular top hole to create a lace lock.