Motorcycles are used to transport anything the passenger can hold onto, like a new mattress.

Not exactly aerodynamic, but what the heck.  It gets the job done.  There is a passenger behind the door holding onto it.  You can see his hand on top of the door.

 A couple of times we have seen a parent with three children on one motorcycle taxi.  The smallest child was sitting on the gas tank.

       Some people like to see where they're going and some people like to see where they've been.