Wheelchair curling the rock handle, allowing the rock to be pushed while applying correct rotation. Stones delivered between the house and the near hogline must be placed within 18 inches either side of the centre line and must be released prior to reaching the near hogline. National and international competitions are played under rules devised by the World Curling Federation. These rules mandate that teams be of mixed gender, and that games be eight ends in duration. Time limits of 68 minutes for each team with one 60 second time out will be enforced by time clocks. Eligibility is limited to people
Skip (curling) playing the fourth stones, must be able to deliver these last stones comfortably—a difficult task in that the last stones are usually the most crucial to the end. As the person throwing last stones, the skip must also have a good repertoire of shots and the ability to execute many types of shots at will. As the game progresses, the skip must assess different aspects of the game, such as timing of the rocks and characteristics of the curling sheet—and use these to choose the most optimal shots and tactics. The skip should be able to read the ice and