Jenny has brought an assortment of shoes to the laboratory to see which ones maximize her comfort and control of the pedals of a stick-shift car. She begins by working each of the pedals in a pair of medium-wedge-heeled sandals, then a pair of medium-heeled thong sandals, then a pair of flat-heeled thong sandals, then a pair of flat-heeled boots, then a pair of flat-heeled T-strap sandals, and finally, after making sure nobody is looking, barefoot! Which will she prefer? There's only one way to find out!