[Wufei nods as he thinks it over for a moment.] A simple braided band with five openings, then. I doubt he would like anything fancier than that, and it shows sufficient thoughtfulness.

[He's not confident in his design decisions, but he knows Duo will appreciate that he put forth the effort. And found a craftsman skilled enough to make it look good. There was no way Wufei would be able to make something worthy with his own hands.] I'm truly grateful for your assistance. [And he bows again, much more deeply this time.]