Can we all at least agree that the flat and wet side goes down and the
cloth stuff goes up out of the water?

Not if it's a mule

http://www.museum.state.il.us/RiverW...ves/images/ind...

Are you trying to confuse me? To me a mule is a pack animal that is
stubborn as hell. I don't know why anyone would use a sail
underwater. Seems to be a bit more drag than one would like.