Now for the rules:
1) As for the playing surface or curling sheet, it's an area of ice that's carefully prepared to be as flat and level as possible and whose dimensions are 146 to 150 feet length by 14.5 to 16.5 feet width. At either end of the sheet, there's a target called the house that's marked off by three concentric rings (the twelve-foot, the eight foot and the four foot) surrounding something called the button which is at the intersection of the center line and a tee-line that's 16 feet from the backboard at the end of the sheet. The playing area or free guard zone is marked off by the hogline which is 37 feet from the backboard.
2) The curling stone itself is a thick granite disc that weighs anywhere between 38 and 44 pounds and is usually three feet in diameter and a few inches high and has a colored handle on the top so as to identify which team it's for; it's swept down the sheet by two members of a four-player team so as to get as close to the button as possible.
3) A curling team is led by a skip who usually plays last. The others are called the fourth, third and second.
4) Each game is divided into either eight to ten ends in which each team gets to curl two stones down the sheet; the team whose stone is closest to the button after the last one (or shot rock) is played wins the end and has the hammer or right to play shot rock in the next end. Now, a typical end would have the team with the red rocks have one or two of theirs as close to the button as possible with a white stone just a bit farther out; in that case Red gets two points and the hammer going into the next end.
5) At the end of the tenth end, the team with the most points wins unless there's a tie wherein they go to an eleventh end.
6) The appeal of the game is trying to see just how they can curl the stones so as to keep the other team from getting to the house; this is why what's called 'the roaring game' is also known as 'chess on ice'.