Shoes. Leather shoes. Plastic shoes. Big shoes. Little shoes. Old shoes. New shoes. Tennis shoes. Walking shoes. Running shoes. High-heeled shoes. Sensible shoes. Silly shoes. Prehistoric shoes...Petr Hlavacek, Associate Professor of Shoe Technology at Zlin's Bata University, knows every last detail about them - why we wear uncomfortable shoes, why women spend longer in shoe shops than men, and why a pair of 5,000-year-old shoes could hold valuable clues for the future of footwear. Join him in conversion with in this week's One on One.