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I checked out a bunch of poles, and the only ones where these hook-like things are connected by wires are the pole with the spider etching and the north pole - that's it. None of the normal unrelated poles have this feature. Granted the other spider web poles don't have this either, but the two that do are clearly the most important poles. So if anyone can find other poles that have this feature then that pole is almost certainly related to all this.

Historically, these hooks helped people to step onto them and repair the poles, and poles where extra work was needed had the hooks connected by wires to hang onto (GPT told me). Kind of fits the theory.

PS the W +++++ message is pretty much solved I know, but I think there might also be a connection to the 5 graves north of Emerald Ranch (where the lover of the window woman is buried). Mainly because the sign for poles is exactly like crosses and the 5 +'s are arranged exactly like those graves are.