Thanks everyone for your quick responses. I did finally get it off, using a long screwdriver under the collar of the quick release and pulling hard while levering it against the handle of the corney.
I learned two lessons from this: 1- pay attention to where you are attaching the gas quick...
I'm hoping I can re-open this thread and ask for help on a similar issue. I just did my first corney kegging and did the 'duh' mistake that is mentioned here: I put the gray ball lock disconnect on the beer post and didn't discover that until I tried to put the black disconnect on the other...
