For me, it may be that the toilet paper roll needs to have the open end away from the wall. I don’t want to reach under the roll to take a piece! That’s ludicrous!
That or my recent addiction to correcting people when they use “less” when they should use “fewer”
You do realize you can still count up to 5 with your fingers even if we used a different numeral system? So you would signal in the exact same way that you do now. Or you know, just shout or something? How often do you need to signal a small number from a distance?
Me? Rarely, but my stage manager does it at least nightly