Katrina has brought in an assortment of shoes to determine which work better for her in pumping the Inflation Lab's pedals. She begins with a pair of wedge-heeled thong sandals, which really let her toes bend as she pushes the big bellows-pump pedal all the way down. She then tries a pair of flat strappy sandals, which also are very flexible. She then tries a pair of high-heeled pumps, which aren't very flexible, but she still manages to make work. Then she tries another pair of strappy wedge-heeled sandals with very broad straps. Finally, she gives the thong wedges a victory lap! Which do ... Show more