I picked up a 600,000v model Muscle Man stun gun...
Decided that before I started carrying it, I'd have my landlord "test" it on me.. cuz I wanted to see how well it worked.
I should have seen the evil gleam in his eye and the grin on his face when I asked him, but somehow it slipped by me. He had his two boys hold my arms and he got me in the chest with it.
I found myself on the ground... slightly dazed. They were laughing and he said "Ken, you should've heard yourself screaming"
They're pretty effective. Only problem is that you have to be close enough to touch someone. I did event security at a revival type thing several weeks ago, and went to find a taser (shoots electrified barbs), but they started out at $350. Little pricey for me.