[ Wow, dude, that laugh was kind of evil. Dipper's eyebrows raise just a bit at it, but he doesn't comment on it. ]

That's what I was thinking. I mean, I'll need to check with Rei on the spiritual properties of the ropes to make sure the ghost wouldn't just go poof by being unleashed inside here. But even if that happens it might tell us a few things about the nature of the ghosts.