Bike with feet.

Genius - It reminds me of the Discworld luggage



(Not looking that great in action though....)

From http://maxknight.co.uk/2008/04/14/walking-bike/

 

I reckon it would have worked better if they were all the same type shoe.

 

or maybe all 'night trainers...'

 

I mean.... those shoes were made for walking ....... not cycling