A logo of the International Federation of Football Association (FIFA) is pictured at the Home of FIFA in Zurich July 5, 2012. REUTERS/Michael Buholzer
ZURICH (Reuters) - An aerosol spray to help referees mark where defensive walls should line up at free kicks is being used in a FIFA tournament for the first time at the Under-20 World Cup which kicked off in Turkey on Friday.
Referees at the event can use the spray to mark the spot where a free kick should be taken as well as where the wall should stand 9.15 metres away to prevent encroaching.
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