Or build a
dispenser, and have it maintain an inventory count
Heh. And an attached
loudspeaker to notify the building when the user
grabs half the roll?
Worse than that; it dispenses. You need to key in your P.I.N. and request
and it will decide whether to give you that quantity based on your
account, and whether you washed your hands last time, etc.
Actually, the paper handling system in some of the old Panasonic printers
could be adapted. It would reel back in what the cat had taken, and then
advance just enough to provide a grip for pulling.