Basically just as it says in the title. She is 15 now but has done this for a few years - it just seems to be getting more frequent. It's as if she can't retract the claw and then when I try to help her, she gets furious and slashes and bites and growls. If I pull even slightly it seems to hurt her and makes her worse. I don't know what to do or how to get free.
Usually eventually she seems to get unhooked quite by chance, but why does she do this?