Diners fill Riverpark, a New York City restaurant, in January. Restaurateurs fear that the tipped-wage hike being proposed in New York will force them to get rid of tipping altogether. Brad Barket/Getty Images hide caption

itoggle caption Brad Barket/Getty Images

One of the two checks that "TipsForJesus" signed at a restaurant in South Bend, Ind., on Oct. 19. The anonymous givers added $5,000 to each of the bills. @TipsForJesus hide caption

itoggle caption @TipsForJesus