Place a bottle in a plastic container, unscrew the bell from the capper, place a cap on the bottle, place the bell on cap, hold bell and tap lightly with a hammer to close cap.
Theoretically it'll work. Just need to be careful not to smack too hard.
BTW, where the hell do you live? Maybe there's a member near by?
At 28F I'd say you're in my neck of the plains, but I can't tell by your lack of info.