“It unscrews the other way.”
“Unscrew the locks from the doors ! Unscrew the doors themselves from their jambs ! ”
“Harry witnessed Professor McGonagall walking right past Peeves who was determinedly loosening a crystal chandelier and could have sworn he heard her tell the poltergeist out of the corner of her mouth, 'It unscrews the other way.”
“It's like getting your girlfriend pregnant, you can't unscrew her.”
“. . . if you can't see the good man he is, you need to unscrew them eyeballs of yours and try on a different pair.”
“How inferior the human machine is, compared to man-made machines. They can be decoked, unscrewed, oiled and parts replaced. Decidedly, nature is not a very wonderful thing.”