XOCostume sells the Squid Game staff outfit for $56 (£41, AU$77), and Etsy sellers are also on the bandwagon — here’s one for $50 (£36, harley quinn costume AU$69). We are a young company. As the name suggests, it’s cosplay that comes from what’s already in your or someone else’s closet. We want make you enjoy our cosplay costumes. But I’m happy to credit her if someone passes her info along.