Steiner Screwdriver.
I never felt like I saw it enough, maybe 5 times ever.
https://www.youtube.com/watch?v=kVQBy6zQgtc
Probably due to other wrestlers wanting a broken neck. You're dealing with one of the most unsafe moves performed by one of the most unsafe wrestlers, afterall. I wouldn't want to take a body slam from Scott Steiner, much less a piledriver.