A free kick is similar to, but not the same as, a field goal. Players line up in a manner similar to a kickoff, with everyone on offense required to be behind the line of scrimmage when the ball is kicked. Everyone on defense must be 10 yards back. Kickers can choose between a holder kick and a drop kick. A holder kick is taken by placing the ball on the ground and tapping it twice with the foot (regardless of whether it's touched by a player or not). The opponent kicks off, and if they don't touch the ball before it hits the ground, it's a free kick for you. Players may only be in line-up positions described above at the time of the kick. For example, a player cannot be in motion while waiting for his turn at kick off because the referee has no way of knowing where he will be positioned after he starts running. Free kicks are used to start offensive possessions when there is no time remaining on the game clock and you don't have the opportunity to use any other type of penalty. For example, if the opposing team commits a foul deep in their own territory, you could send a free kick into the opposition's end zone for a quick score. There are two ways to take a free kick: the kicker can either place the ball himself or one of his teammates can place it for him. If the latter happens, the teammate who placed the ball is given the option to roll the ball toward himself or another player.