A drinker who could not pay his bar bill left his clothes at the pub as collateral and headed off naked to get cash, Czech police said. Security camera footage posted on news website www.idnes.cz showed the man walked through the town of Prerov early on Monday afternoon, dressed only in ankle-length black socks and talking on a cellphone.Police soon found the man who said he had popped across town to another pub to get some cash.He was allowed to complete his quest and eventually settled the bill, got his clothes back and put them on.City police said they handed the case over to state police for further investigation.