I’m now a fully-fledged member of the Claw Club. The first rule of which became apparent on entry to its headquarters, Lobster Kitchen, on Great Russell Street: ‘You do not talk about Claw Club’. And its members are doing a great job because at two-thirty one Thursday lunchtime, it was empty. Having eaten there though, I can see this why this rule has been so easily adhered to. It isn’t great. It’s just all right, and who recommends an all right restaurant. I’d never have gone if I wasn’t going to receive half price lobster in return for my email address and I probably wouldn’t go back again even with the further promise of 50% off until the end of November. From the outside…