Like putting sheet film in backwards...? Ya, I've done that...;(
In my experience, you need to do 20 things right just to get a LF printable image. Putting the film in the right way is one of them. I always did 18-20 of those things. And not always the same 18-20 ...
It takes a big dog to weigh a ton.
I was so much older then, I'm younger than that now.