There was an elderly gent in the community I was raised in who had severe arthritis in his hands. He owned a '52 or '53 Chevy car with the metal end spark plug wires. He would grab #1 and #6 plug wires and hold on for a few seconds. He said that the shocks eased the pain of the arthritis. Methinks that all it did was take his mind off the pain, but he said it helped.
