Sokka (semi) indignantly brushes the hand off. "Well, I'm pretty inventive. I'd just thought the boomerang had reached the peak of it's perfection...but apparently, I was wrong."

He considered. "Yeah, I'm okay with tools. I have to keep my weapons and gear in decent repair, so I know how to work with seal-whale bone and that kind of thing."

What? There's no wood at the south pole.