Trick Of A Dozen Nails

Can you balance 12 nails on top of one nail planted into a block of wood? Beofre you look at this video..you may want to start the video and then stop it before he shows the solution and then go try it.....or take the easy was out and just watch the video and then show all your friends how much of a "fake" genius you are.

It makes sense but so many of us would spent a lot of time frustrating ourselves or simply say it can't be done.