The method is beautifully simple, and the results are simply beautiful!
Just the fact that
you are able to use real un-gimmicked bottles and coins, and can hand them out to your spectators to
keep as an impossible souvenir is one of the most powerful and lasting effects you could ever do.
Michael John does a great job at explaining all the different handlings and variations you
can do with this effect.
Every magician claims their invention is a "utility tool", but
this is the closest you will ever get to pure magic!