Constance 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 flat T-strap sandals, followed by a pair of mid-heeled thong sandals, a pair of low-heeled T-strap sandals, a pair of high-heeled pumps, a pair of mid-heeled toe-loop sandals, a pair of flat thong sandals, and finally, barefoot. Which will let her toes flex the most?

Constance 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 flat T-strap sandals, followed by a pair of mid-heeled thong sandals, a pair of low-heeled T-strap sandals, a pair of high-heeled pumps, a pair of mid-heeled toe-loop sandals, a pair of flat thong sandals, and finally, barefoot. Which will let her toes flex the most?