Is It A Sin to Mix and Match Designer Accessories? Some of you may be thinking, is this girl crazy for even talking about this topic? It’s something that some people LIVE by, especially if you’re a severe fashionista! If you were carrying a Louis Vuitton Neverfull, would it be a sin if your wallet was Balenciaga? Would it be such a sin if you hung an Hermes scarf from your Chanel classic flap .