Cheese. Traditionally a mark of Flatland, along with certain flowers, technologies for extracting energy from the wind, soggy ground, land reclamation, and so forth, cheese has shaped and been shaped by another strange technology invented by the Norse: the cheese slicer.
I asked a native, at one point, "Isn't it dangerous? Pulling a sharp cutting blade towards your other hand?"
The response, "Oh, no, not at all!"
"So you can't really cut yourself with it?"
"Well, once my daughter took the tip of one of her fingers off, but since then she's been more careful with it."
For the record, I remain wary of this tool. Also, for the record, enjoy a cheesy song by Tim Minchin: