This is a in ingenious device that is both simple and powerful. Once I learned the secret, my
initial reaction "Why did I not think of this"? It does not require any serious sleights outside of
a shuttle pass and a mercury card, and the applications can extend to billet swtich.
David Penn
teaches important subtleties that add dimensionality to the deception. Overall the tutorial is well
made, although it could have been made shorter.
Packs small, plays big.
I am not sure
about the $45-50 price range, hence one star off. It should be more like $25-35 given that the
production materials are not expensive
