"Ummm," Luke sways a little on his feet, turning his face up to his father's and gaining a very earnest expression.

"I thought you could get some," he says easily, though not really expectantly, "and if not, I was gonna ask you to sew something, I mean, you still know what they look like."

Between the two parents, it was, undoubtedly, their father the twins went to if the costumes weren't going to be bought (or something ripped and had to be hidden from Mom).