"Hog panel" is a type of wire fencing used for, you guessed it, hogs. Now that I'm living in farm country, I've learned that everyone down here (including us) has some of it lying around in a shed or outbuilding.
Here are some farmer hacks for putting hog panel to use in a shop, for organizing stuff:
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For the applications shown, I'd say it definitely beats pegboard (admittedly a low bar).