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
Curling centreline and the "corner-guards" to the left or right sides of the centre line. See "Free Guard Zone" below. Draws are thrown only to reach the house. Draw shots include "raise" and "angle-raise", "come-around", and "freeze" shots. Takeouts are intended to remove stones from play and include the "peel", "hit-and-roll" and "double" shots. For a more complete listing, see Glossary of curling terms. Until five stones have been played (three from the side without hammer, and two from the side with hammer), stones in the "free guard zone" (stones left in the area between the hog and tee lines, excluding