I've never seen it before. It's hilarious! But, it doesn't imply it is about CV and nobody is wearing masks. I didn't notice when I posted. Think I'll leave it up and consider it a "public service video" for anyone who wants to protect the public from the spitters; "How to properly karate chop bioterrorist spitters in the head." If it is an oldie, it's still a goodie and worth the keks!