Nadia has brought an assortment of shoes to the laboratory to see which ones maximize her comfort and control of the pedals of a stickshift car. She begins by working each of the pedals barefoot, then a pair of flat thong sandals, then a pair of T-strap sandals with a low wedge heel, and then a different pair of flat thong sandals. Which will she prefer? There's only one way to find out!