Nothing gets conversations heading in the right direction with often suspicious or hesitant property owners than rolling up in something equally historic or nostalgic. They may not understand the insulator thing, but most folks can relate to old stuff like cars. It isn't such a far jump when you have this handy helpful tool along. This is how this beast came out of a garage in 1983, after a rough and salty life and 15 years under a pile of boxes. See "after" photo