I believe all companies had some form or way when demonstrating to show how much dirt they were picking up. But that certainly is an interesting attachment/tool.
I am assuming there would be a black cloth that would be placed inside to show the homeowner just how bad of a job their old cleaner was.
He might, Thanks John and Tom, I bet one thing, I bet not many still exist! Where Mike Hays got it, who knows!!!Where did he find a box of almost new 103-105 tools!?