Nearly all shoes with laces have this extra laces on them. Do you know why they have them in the first place?
Actually they are very useful. They are used to get an extra grip on your feet. Here is how they actually works.
Basically, they’re an additional way to ensure your shoelaces stay tied together. If you use them correctly, your shoes will never slip off or rub your feet, and exercising will be a much more comfortable experience:
Have a look at the video :