"Oh," Luke blinks, and then grins brightly, "that's a great idea, Dad!" Clearly he had been smart to go to his father with this instead of presenting him with the costume already finished and everything.

Of course, it was possible Mom would've made the same suggestion, but still.

"I'll ask Mom for something we can use... just need the rest, now." Which was partly the reason for why he'd gone directly to his father at all.