From the ceiling
This one is my late grandfather's workshop. As we (mostly my dad!) were disassembling the contents of his house, I visited him in assisted living to ask him why he had a roll of toilet paper hanging from the ceiling. Was it for when he had a runny nose -- e.g. during cold weather?
The answer is that he used it for when he was doing glue-ups: he used it to wipe up the squeezed-out glue. By hanging it from the ceiling, it was always handy.
The twists of wire in the ceiling, to the right, was for extension cords: when he ran extension cords they passed along the ceiling, rather than along the floor (where they'd be a trip hazard).