by Dirty Davey » Mar 12th, '09, 08:42
I wouldn't use a playing card force for this, there are plenty of pretty solid psychological forces that work better.
If you know the method then go ahead and put together the routine, I don't really think that there's much else anyone can tell you. If you don't know the method then have a look in Karl Fulves Self Working Mental Magic, Mark Wilson, Corinda or Annemann, they've all got the method in them.