Judging by its success , with statistics pointing to more goals coming from free kicks and less time needed to take them , the little spray cans are set to be a permanent addition to the back pockets of referees for many years to come . Special spray to mark out distances at free kicks being used in World Cup . FIFA gave go-ahead after successful tests in junior tournaments . The spray quickly disappears after being used by referee . Comment:
Special spray to mark out distances at free kicks being used in World Cup . FIFA gave go-ahead after successful tests in junior tournaments . The spray quickly disappears after being used by referee . Comment: