Bike with feet.

[red_tom]

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/

 

[Night Train]

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

 

[Aperitif]

or maybe all 'night trainers...'

 

[Crackle]

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