This is such an amazing idea. I've already thought of two things it might be useful for: a) No headphone cords when running. b) No headphone cords if you fall asleep (just in case they get wrapped around your neck)
Choose the best workout shoe for you! Believe it or not, there is a shoe for every workout--and a reason for it. Ill-fitting shoes can cause all kinds of foot and joint problems. Stop any fitness issues before they start--with the proper shoe.