This only works on

small children, but man does it make them

confused ...

###### This works on proving wrong the assumption that you have 10 fingers.

- Hold out your two hands.
- Count the fingers on your left hand -
**1, 2, 3, 4, 5**.
- Remember that number. 5.
- Count down the fingers on your right hand, starting from 10 -
**10, 9, 8, 7, 6**. 6? Remember that number too.
- Now add 6 to 5, and you get 11 ...

Let the mayhem spread ... :-)