Editing Power play (section)

===Curling===
In the [[Doubles curling|mixed doubles]] version of curling, a rule called a power play was introduced in the [[2016–17 curling season|2016–17 season]]. Each team can exercise the power play in one [[Glossary of curling#End|end]] per game, only when they have the [[Glossary of curling#Hammer|hammer]] (throwing the last rock in an end). Instead of positioning the rock in the house on the [[Glossary of curling#Centre line|center line]], it is placed to a position straddling the edge of the [[Glossary of curling#8-foot|eight-foot]] circle, with the back edge of the stone touching the [[Glossary of curling#Tee line|tee line]]. The opponent's [[Glossary of curling#Guard|guard]] stone is placed in line with the stone in the [[Glossary of curling#House|house]] and the [[Glossary of curling#Hack|hack]]. The power play cannot be used in an [[Glossary of curling#Extra end|extra end]].<ref>[http://www.curling.ca/2016mixeddoubles/about-mixed-doubles-curling/ Mixed Doubles rules] {{Webarchive|url=https://web.archive.org/web/20180301155210/http://www.curling.ca/2016mixeddoubles/about-mixed-doubles-curling/ |date=1 March 2018 }}, Curling Canada</ref>