They might be popular...
I don't want to go into details but one towel for lub, another one on the bed in case there's an accident, and one to wipe off the bodily fluids.
small towels for sure, nobody wants to wipe out his body with a used towel.
in hotels escorts/masseurs don't have to worry, they can just give them to the housekeeper and get new ones.
20 a day?