A few notes about the game A stone or rock is just a big block of finely shaped granite, measuring 11 inches in diameter, and weighing between 42 and 44 pounds. (See Types of Granite for more details.) Although there are many unique terms used on the ice, the basic are all that is needed: The "weight" is the force that a stone carries while in motion. This force is the speed of a stone as it pertains to the current conditions of the ice. The "line" is the path that the stone will follow along the ice. The "swing" the approximate amount of deviation that a stone's line will take. (The distance between where the broom is held and where the stone is when it reaches it's target.) The "delivery" is the complete motion that a player goes through to throw a stone.

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