"Chomp", "Chomp", "Chomp".
Mmmmm Great Pickles!!!
I appreciate all the assistance and ideas - Thank You.
I just sat down in a cubby-hole in the garage, feet on wall, braced myself real good, got a Grip, and refused to stop.
"psss...crinkle....psss...crease...psss...Smack!". The outer ring started moving, bending, getting a crease...I kept going, until it broke loose.
Whew!