Designer Manolo Blahnik, who makes wildly expensive footwear, is launching a line of shoes made with sustainable or recycled material, like "raffia, cork and tilapia skins." Ooh, this is a good idea! What about tin foil? What about banana skins? What about Kleenex boxes? They are already practically shoes!

In all seriousness, it's kind of cool (and kind of greenwashy) to incorporate discarded material into your luxury goods. Bring the idea of reuse to the 1 percent, you know? But I can't honestly believe status-conscious Manolo Blahnik customers would wear tilapia shoes. Tilapia is so cheap! Have you no shoes made of oysters?

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