The Effect
Why read when you can watch:
http://www.murphysmagic.com/Product.aspx?id=40400
Cost
£45 from http://www.mikedanatasmagicstudio.co.uk - post free.
Difficulty
(1=easy to do, 2=No sleights, but not so easy, 3=Some sleights used,
4=Advanced sleights used, 5=Suitable for experienced magicians only)
between 1 and 2
Review
The postman delivered last Friday and I've been unable to put this down since. The printed instructions take a few readings to get the suggested handling and the diagrams at times look like they've drawn two left hands but watch the video and you'll pick it up much more easily.
When you've got the hang of the handling it will fry people alive

Although this isn't angle proof you'll be surprised at how close you can stand next to people and perform this and it's cunningly deceptive in it's method.
Overall
Worth every single penny!