Spekkio
He bowls overhand.
Where I saw it utilized in Japan, it seemed to work pretty well.
And you don't lose a stall, they just gain one, and only if they are willing to pee by themselves!
But seriously, I've often wondered if anyone had bothered to design a women's room with larger capacity than it's co-located men's room. Cuz it would make sense to me.
No, you lose one. They are pissing in a stall you would otherwise be using.
Women don't need more stalls, they need to learn how to take a piss in less than 6 minutes.