The object of the game is simple - be the last one still drinking. Winning, however, is more difficult.
To start, everyone is poured a pint. Then , on the count of three, they all down it as fast as they can. The slowest (you may need an impartial judge for this) becomes 'The Wurzel'. This player must now down a half pint mixed with one spirit of the fastest player's choice. If they fail in this, their glass is refilled and they must try again until they succeed! Once, accomplished, play continues as before. Enjoy!