Based on another reply I can’t tell if there’s a clever window-based pun that I’m missing. If not, I think you want “shudder” and not “shutter” here. I’m sorry

Based on another reply I can’t tell if there’s a clever window-based pun that I’m missing. If not, I think you want “shudder” and not “shutter” here. I’m sorry if I just ruined the joke.