The Effect of Micro Vibrations on Metal Bending

In metal bending, there's more going on. People are constantly rubbing it and probably just rubbing it in one location. This applied a constant supply of micro vibrations and mechanical energy which could possibly induce the metal to soften. Another possibility is that by rubbing it, you are just bending it slightly back and forth and lead to a cumulative weakening of the metal. A relatively simple experiment could be done to see if that is the case such as building a controlled rubbing machine. It would be an interesting test to do. As far as as far as I know it may have been done because there were there have been laboratory tests involving metal bending and paranormal metal bending. And someone may have tried this with the