It does leave you open! If you did something like that where I come from, you'd be screwed for the rest of eternity. Literally, they could drive screws through your bones to attach you directly to a few of these.

[Although a lot of them are more psychological. The kinds of things that would only be really acted on by...well, a demon like him.]

I've actually seen pocket dimensions that were eternal Fridays. Right around three o'clock.