Quoted from Choggard:it has a piece of metal covering the whole underside of cab. When looking inside the cabinet I don't see any damage or holes so I am going to remove it and see whats going on underneath it. I may have to rebuild the under side of the cabinet.
That is called a Ghetto Plate, simply keeps people from breaking through the fibercrap™ bottom panel.
Don't remove it. If there was any damage, you would have seen it under the coin collection bin.