We just booked our parking space. Maybe I’ll hide some rebar inside my flagpole
What they like to do is get up against you and blow snot in your face, hoping you’ll hit them.
A butane lighter on high held against their crotch discourages that - by accident of course.
Possession of a bugzapper or pepperspray in an affray can get you arrested for assault and battery.
Packing guns or knives isn’t a good idea they will have them as well.