That reminds me of this Bipedal human powered vehicle: http://blog.modernmechanix.com/cast-off-shoes-make-tires-for-rough-rider-bicycle/ http://blog.modernmech

That reminds me of this Bipedal human powered vehicle: http://blog.modernmechanix.com/cast-off-shoes-make-tires-for-rough-rider-bicycle/ http://blog.modernmechanix.com/cast-off-shoes-make-tires-for...