This guy is very good so you need to watch his hands very carefully:
http://www.youtube.com/watch?v=uU4tJVwKnkQHe's supposed to deal all the cards from the top of the deck.
You play a hand, and win with an ace. The dealer picks up all the cards. He puts them all together and goes through the shuffling routine. The shuffling is dodgy, as well as mostly only faking the motions he knows exactly where your Ace is at all times. He makes sure that then next time the cards are dealt, your ace is on the bottom. He deals the cards as normal but when giving the cards to his buddy to your right he takes the ace from the bottom and gives it to him, but he makes it look like he's dealing it from the top.