3 ms·I call this the ghost method, because you look like a ghost with your arms through the inverted duvet cover.by megadog3 3y agoI call this the ghost method, because you look like a ghost with your arms through the inverted duvet cover.Tomte 3y agoMy girlfriend insists that the your head does not go inside. But why would you forgo all that fun?groestl 3y agoI do that with my kid. For funsies. Also high in the list: snake bites foot (to put on his tights).