There is a concept of escalation in most states' self defense statutes.
If a 110 pound woman slaps you in the face and you react with a force that could cause death or serious injury, you'd be hard pressed to make anyone believe that you reasonably feared for your life (or serious injury).
"Somebody began physically assaulting me so I responded by defending myself."
Find me a jury that will convict somebody for that.
WHY does this topic come up so much in hacker/geek culture? Seriously, I'm starting to believe there are guys walking around who WANT to be slapped, just so they can finally live out their "equal rights mean equal lefts" fantasy.
Regardless, I don't like the idea of slapping someone. I think we can come up with a better idea, like the cards.
I would like to see some sort of experiment between using these cards and slapping someone— although, slapping is pretty rare. What happens most of the time is the woman feels incredibly unsafe and awkward while she tries to understand the reason all those people are just watching her get assaulted.
So really, if you see this behavior, please step in. Tell the asshole he needs to get out. Make it known his behavior isn't appropriate.
A slap from a 110 pound woman (just a hypothetical weight) is not equal to a punch from a 160 pound man.
A punch from the man can easily cause lasting harm--broken nose, broken jaw--an open-handed slap across the cheek from the woman cannot (barring some crazy edge case).
>Prove a grope occurred.
She's not going to have to. The cop who arrests you is going to believe the crying bleeding woman over the man with barley a scratch on him--and eventually the prosecutor and the jury will too.
It's best just not to punch someone much physically weaker than you are unless you actually fear for your safety, e.g., she's holding a knife.
Have fun explaining that to the cops (and the jury).
"After I touched her inappropriately she slapped me, so fearing for my life, I punched her in the face, breaking her nose"
Hell, if you do that you're likely to get punched in the face by a random passerby.