The red and white plastic cups are intended to catch any dripping juices.

When it comes time to serve, the ham is set in a place of honor on the bar -- bone, hoof and all. The bartender slices bits off for tapas and leaves the rest out to tempt patrons.

At first this appears to be a bizarre and archaic tradition, then it becomes perfectly clear that this IS a bizarre and archaic tradition. It is pretty cool, if you ask me.