Folding money secret

effect: a currency note turns it self over
secret: hold the note in your left hand then fold it in half lengthways towards you next fold it in half away from you. finally, fold the note in half again . This time towards your body. Now slowly unfold the note from the front, making each movement in the same direction.
The note is now upside down! Strangly enough. This trick is more beffling if you do it really slowly but. Like all tricks you must practise it thoroughly to make sure you can do it perfectly before showing it to anyone.