. . . but
“One thing we have looked at in the past and are looking at again is the possibility of maybe putting a coin slot on the toilet door so that people might actually have to spend a pound ($1.43) to spend a penny in future,” O’Leary told BBC television.
He said this would not inconvenience passengers traveling without cash. “I don’t think there is anybody in history that has got on board a Ryanair aircraft with less than a pound.”
Frankly, I think this is going to increase the number of mid-air accidents.