The modern concept of the “piggy bank”, first popularised in the United States in the early 20th century, has a lot to do with this reputation. But even the direct connection between pigs and ...

Chances are you had a piggy bank as a kid. You know, the kind with a coin slot on top and a cork on the bottom. Or maybe it was a plastic machine that sucked up dollar bills, ATM-style.

But Christoph Schwarz’s Piggy Bank, which gets its U.K. premiere at Glasgow on Monday, takes a very different approach, mixing mockumentary and self-experiment in a way that has become the ...