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!

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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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