Probably a person's partner does it, I just think the idea of the Akatsuki going to a nail place for mani pedi's from bossy Asian women is hilarious.

Although, hm. Now that I think about it, at some point this conversation must have occurred:

"You know what, Itachi-san? I can do my own. No, no, it's fine, I'll do yours, it's just you're painting my whole finger."

"..."