This happened to me as well. I tried the hacksaw and then remembered that I had a reciprocating saw with a metal blade. It worked like a charm.
Recip saws are the heavy artillery if you can get into the place with one.
dzero
23
OMG. How did you know? BTW, the hardware wasn’t the problem. I just knew I’d be walking funny the next day.
(j/k in case that was too convincing
)
Do you think that an oscillating tool could have worked?
paper clip, rubber band, toilet paper roller thingie.
Yeah, no problemo. :smack: 
Are you sure you have it flipped the right way? Flip the head one way to tighten nuts, flip the other way to loosen.