Was thinking along those lines as well.Maybe this? The rust build up would make it thicker so it's actually thin
Now I can see that , and why didn't I think of that lolI wonder if it had been longer with a bent end? Maybe a latch hook for a very simple door latch.
The hook would have gone through a nail staple, partially pounded in to the jamb. Keep the chickens from escaping, etc.
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