It unscrews the other way.

“I smell guilt. There is a stench of guilt upon the air.I see you all, whole and…”

“Longbottom, if brains were gold, you'd be poorer than Weasley, and that's sayin…”

“Do you know what I think, Potter?' said Snape, very quietly. "I think that you …”

“I believe your friends Misters Fred and George Weasley were responsible for try…”