First you set a can of beer in the center of a table. Then take a deck of cards and deal all of them out to each player. Next, the player to the right of the dealer will start the game by placing one of their cards on the top of the beer can (the catch is that two corners of the card must be hanging off the edge). Continue doing so around the table. The cards will start to form a mushroom appearance. The person who knocks the cards off the can of beer must drink the entire beer.