Whether it's because we stumbled across it outside or because it was in an old house we had to work on, there's a good chance that we'll eventually come across something we don't recognize at all.
But of course, what makes them so hard to figure out is also what inspires so much curiosity about them. So while we might otherwise just discard the item without thinking about it, the lack of answers we find as we research it just makes the mystery behind it maddening and compelling at the same time.
And it turns out this is a pretty common problem because people turn up at the r/whatisthisthing subreddit every day seeking answers about their mysterious finds.
And today, some of them will finally find satisfaction.