Mixed curling the house. In the 2015-16 season, a new rule called "power play" was added, which each team can exercise in one end per game, only when they have the hammer. Instead of positioning the rock in the house on the center line, it is placed to a position straddling the edge of the eight-foot circle, with the back edge of the stone touching the tee line. The opponent's guard stone is placed in line with the stone in the house and the hack. The power play cannot be used in an extra end. Mixed curling Mixed curling, also known as
Third (curling) Third (curling) In curling, a third (alternatively, vice, vice-skip or mate) is the team member who delivers the second-to-last pair of a team's stones in an end. The third is in charge of strategy and directing the sweepers when the skip is delivering their stones, but sweeps for the lead and second. The two vices are responsible for determining and recording the score after each end, and in most clubs, will determine by lot which team begins a game with the hammer and what colour stones each team will use. The third position requires a curler adept at executing shots