Bring jugs of milk to wash tear gas from eyes.
Learn from Antifa.
Rulers as guards for forearms. Helmet or bowl on head under hat.
Laser pointers and wasp spray.
Good advice. I was limiting myself to practical things like protein bars, water, chemical hand warmers, long johns, wool socks, sheepskin mittens, etc. Having an experience with tear gas wasn’t on my bucket list but I’m flexible.