I Just Learned Why Trainers Have That Second Lace Hole, And I've Been Tying Them Wrong My Whole Life

We’ve written before at HuffPost UK about the surprisingly gross reason there’s a “v” stitched under your sweater’s collar, as well as what that tiny jeans pocket is really for. 

But what about that second hole behind the top eyelet of some trainers? I’ve never used mind before, and frankly had no idea they had a purpose. 

Well, according to Dr. Rob Kominiarek D.O., FACOFP, who spoke to Good Housekeeping about the topic, they do ― it helps to prevent blisters.

How?

“These...