I’ve only ever put one on backwards

Oh, Gary, you paragon! Had to do one on the pushbike last night: Manukau drinkers think the side of the road is a waste disposal unit for the bottles they throw out of their rowdy exhausted Subarus.
Which way round is the tyre?
Which way is it gonna stay?
They have another payday next week = another puncture, I'll turn it around then.