Remus looked around as well, spotting the shelf where the towels were stored. "I think I've got an idea." Much as he didn't want to leave Sirius' arms, he was going to at least long enough to lay down, so he might as well take a short detour to make them comfortable. The towels all found their way to the ground, a general cover laid out, three towels thick, with improvised towel pillows at the "head" of the makeshift bed and at about where his hips would be when he lay down.
Shyness once again stole over him, now that he was faced with the "bed".