A little technique movie that puts 11 nails on one nail

An explanatory movie of a technique on how to hit a nail on a piece of wood and how to put 11 nails on it. If you have 12 nails at hand, you will want to try it without thinking.

The playback of the movie is from the following.
Trick Of A Dozen Nails Video - Metacafe


In fact it is unlikely that this technique is needed, but it may be possible to surprise a person a bit.