Kurt the Clerk

No sooner do you realize that Rednecks may be as belligerent as you had often assumed. He approaches the desk, and slams his dirty, pungent hands on your counter. Leaving a little oily mark, which of course..Angers your very soul. "Now what did ya' say mister? You want me to pawnch you in the face?"

How do you avoid the inevitable battle?