A cash machine operator has introduced Cockney rhyming slang to a number of ATMs in east London. Users can choose between English and Cockney, a form of English spoken by many who live in east London. In Cockney rhyming slang, for example, �sausage and mash� is substituted for �cash.� And your �Huckleberry Finn?� Well that’s your PIN of course. The World’s Laura Lynch ventured into east London to get the Morning Glory.