I think that’s for children.
If you ever have the notion that you won’t fit in space, think carefully before proceeding; it’s more likely than not that you won’t and so get rid of yourself.
If you don’t take action, you may wind up like this individual: trapped in an odd position with no means to get out. The main activity, we believe, is to phone the local fire department and simply accept responsibility for your mistake. We can’t help but consider how he ever thought he’d make it out the other side in any case.