Teams of four take it in turns to curl two rocks towards the target area with the scores being counted after all 16 rocks have been sent down the ice.
International matches have a time limit of 73 minutes per side with two timeouts lasting a minute each. 10 minutes and one timeout are permitted per extra end in the event of a tie.
The stone must be released its front edge crosses a line called the hog.
Foul throws are removed from the ice before they have come to rest or in contact with other rocks.
Sweeping may be done by two members of the team up to the tee line, whilst after that point only one player can brush. After the tee one player from the opposing side may also sweep
A stone touched or moved when in play by a player or their broom will either be replaced or removed depending on the situation.