Magic Partner Effect: You fan out the cards, having a spectator memorize...
Effect: With the spectator's help, you make four piles of cards. When this is done you flip over all the piles and all four Aces are there.
Preperation: Arrange the deck like so: three Aces on the bottom and one on the top.
Ask the spectator to tell you when to stop putting down cards. Begin dealing cards face down on the table. Continue until they have you stop. After the first pile is down, stick the card deck, still in your hand, under the table and put the bottom card on top. This gives you an Ace on the top. Repeat the above steps until you have four piles. Then flip over all the piles to show an Ace on the bottom of each!