Maria has brought another assortment of shoes to the laboratory to see which ones maximize her comfort and control of the pedals of a stick-shift car, and Bailey has joined her as an observer and commentator. Maria begins by working each of the pedals in a pair of high-heeled sandals, followed by some extremely flexible flat sandals, then a pair of sneakers, another, more elaborate pair of high-heeled sandals, a pair of closed-toe flats, a pair of flat flip flops (which demonstrate the hazard inherent in this type of shoe), and finally, barefoot. Which will let her exceptionally flexible to...

Maria has brought another assortment of shoes to the laboratory to see which ones maximize her comfort and control of the pedals of a stick-shift car, and Bailey has joined her as an observer and commentator. Maria begins by working each of the pedals in a pair of high-heeled sandals, followed by some extremely flexible flat sandals, then a pair of sneakers, another, more elaborate pair of high-heeled sandals, a pair of closed-toe flats, a pair of flat flip flops (which demonstrate the hazard inherent in this type of shoe), and finally, barefoot. Which will let her exceptionally flexible toes flex the most?