566. A "Beauty and the Beast" edition of a candle holder ?

246. Tool box ? jewelry box ?

447. some tool to place or remove horse shoes ?

212. a square peg for matching square holes ?

244. it looks like a rope could be put around in the gap around the screw,
and screwing the bottom part would hold the rope in place.
better yet, an identical object like this one would have its loop fit in
the gap. It could make a strange chain.