I tell ya, if you want to disperse a crowd, start spittin' on 'em. — Kent Nichols. Comedy podcast about ninjas
Here's a tip to avoid death by celebrity: First off, get a life. They can't touch you if you're out doing something interesting.
If you have to have your weapon, at least run it through the grandma test. Take the weapon and hit your grandma with it. If she dies or writes you out of the will, don't bring it!