FIFA: temporary spray to mark defensive wall to be used in the Club World Cup
A vanishing spray, which allows referees to draw a white line on the ground to mark the location of the wall during a free kick, is to be used at the FIFA Club World Cup, held from the 11/12 to 21/12/2013 in Morocco, said FIFA (Fédération Internationale de Football Association), on the 20/11/2013.
The innovation was already used during the U-20...