The wee escalators in the Overgate in Dundee near Clinton Cards. They're the wrong way round. The one on the right goes up where it should be the one on the left.
Must be a switch somewhere to change direction.
Have a motorbike engine in their front garden.
Have 300 gnomes/windmills/little painted signs in their front garden.
Have 200 lumps of dog shit in their front garden.