Board Thread:General Discussion/@comment-27601640-20160113032010/@comment-25942629-20160123140837

In this case, they're used to prevent people from becoming demonic. Of course, there are actual demons and angels and biblical references and the actual Apocalypse in this manga, so whatever straw breaks the camel's back, I guess.

I don't understand your question. People have posted videos on YouTube with them opening their orders of the manga volumes, though. If you want to see the size of them in paperback, you could search on there.