Wash Your Hands.
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I occasionally watch Live PD on Friday & Saturday nights on the A & E channel. I notice that whenever a citizen offers to shake a cops hand, the cops alway do a fist bump instead. ALWAYS! Thats a pretty good policy.
FWIW, the drummer had an attitude while the guitarist (Scott Ian) was a class act. To be fair, I also bought Scott's book so maybe the money-to-disease ratio was right while Charlie (the drummer) didn't get any money - I was just thanking him for his music.
Of course, some FReepers may wonder why would any person want to shake the hands of ANYONE in a band called Anthrax.