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The original was posted on /r/whatisthisthing by /u/CurrentCress2400 on 2023-08-21 20:28:03+00:00.

Original Title: Cast iron piece approximately 18 inches long. It has a bracket to clamp onto a post or pole, tightened with four bolts. There are 5 curly not-quite-closed loops running perpendicular to where the pole would be.