Apparently, the no-tipping test at Joe's Crab Shack isn't working out. The casual seafood chain announced in November that it had been trying out a no-tipping model in 18 of its restaurants across the country since August. But less than a year later, the company is moving back to the standard gratuity model in 14 of the test locations. ... "Our customers and staff spoke very loudly [about the policy], and a lot of them voted with their feet," he said.