Around 37 million inhabitants live in Japan’s sprawling capital city, enough to make the chances of bumping into Eddie Jones in a random shop in a non-touristy part of town the day before a World Cup final almost comically remote. Of all the people in all the world you would not expect to see browsing clothing racks and looking for presents on a Friday afternoon it would be England’s head coach on the eve of the biggest game of his life. The middle-aged couple who persuaded him to pose for a selfie just around from the leisurewear section could scarcely believe their luck. Jones does not come across as a habitual high street browser – nor, after eight weeks of press conferences, could you blame him for not looking delighted to see the man from the Guardian – but the caption wrote itself. England are so well prepared for the final their coach has already begun his Christmas shopping. The players seem particularly relaxed and calm, too. Barely had Jones left the shop than the internet was creaking afresh under the weight of training ground pictures of Jonny Wilkinson coaching the squad’s current captain, Owen Farrell, in the art of…