If you read the most recent two pages, that should be enough as the characters are all meeting to discuss a new threat and it gets covered in those posts
I was wanting them to be temporarily solid, only for that part. That's why they had to hurry and they disappeared. Also, the woman, she wasn't actually holding their hands, she made them thought they were.
If you don't know it's impossible it's easier to do. And because nobody's done it before, they haven't made up rules to stop anyone doing that again, yet. — Neil Gaiman