alt Hacker NewsThere was a similar, maybe apocryphal, story recently of academic archaeologists stumped about an ancient tool until a person pulled out a crochet kit to fidget with their hands near the exhibit and it became obvious that it wasn't a lost tool they just hadn't put it in the right context.
That's the roman dodecahedrons that are a bit more mysterious than that - the "this is for knitting gloves" explanation is a real stretch, and not only because the Romans didn't have knitting.