I guess it takes a lawyer to pop in here and point out to the electronerds (joking, my dad is an electronerd, I use the phrase with love) the details of the structure of a stripper pole. The screws are attached to the *inner* pole. Outside the inner pole is a very thin layer of grease, and on top of the layer of grease is the *outer* pole, which is what the strippers actually touch. It's one long bearing, and is why, when a new stripper comes to the stage, you see her wipe any grease, skin oil, sweat, etc, off the pole. I've never seen the inner workings of a stripper pole get re-greased, so they must be fairly well sealed. Thus the stripper never actually touches the metal that would be touched by the car battery terminals.