What are the extra lace holes on running shoes for? We’re here to unravel the mystery and teach you how to tie a heel lock to secure your feet and ankles on the trail.

For footwear, Ashanti returned to a style she has worn before: the Tom Ford Lock stiletto. The sandal is an open-toe style.

Turns out that extra hole helps runners tie their shoes extra tight with a "lace lock" or "heel lock" method. Follow BI Video: On Twitter More from Sports The extra eyelet at the top of running ...