On our way to hear a student concert at the Barcelona Conservatory, we decided to have a quick, early dinner at our favorite tapas bar in the Eixample neighborhood, Tapas, 24. I’ve written before about how good the food is here, how the chef offers his own personal spin on classic tapas like fried anchovies and patatas bravas. But another thing that distinguishes the place is its wonderful spin on utilitarian design. Just look at this pop-top can lid on which the waiter delivers your bill. Nice touch.