I had a black and white film canister in my camera full but I tried and failed to wind the knob to get it ready to take out. SO I thought I'd do it the manual way and got in my cupboard (everything was compleatly dark-no light damage) turns out I didn't know how to do it the manual way either
Long story short:
I pulled, tugged, twisted it, put my fingers all over it, some touched the floor, I bent it. I ended up getting it detached from the camera and wound (and before that pushed) into the canister.
Basically I was handling it a long long time before I got it away from the camera.
Is it worth sending this to get it developed or is it ruined?
I don't expect the film to have any light damage what so ever.