theory11 — Magic Tricks & the World's Finest Playing Cards

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Thank you for your response but I meant the production of the Queens. To say the end of the routine where he lets the queens reappear between the two jokers and then changes the jokers in to two queens.
 
Im not quite sure what the sandwhich move is, although it's quite common. Search out for more 'sandwhich effects' on youtube/vimeo/metacafe etc, you might just find the source ;)

G