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USB Narwhal Footwarmers: Heated USB slippers that look like happy narwhals.
SMOKO Heated Narwhal Slippers | USB Animal Footwarmers | Unicorn of the Sea | Kawaii Wireless Shoes - Walmart.com
Amazon.com: Jokari USB Rechargeable Heated Shark Slippers for Men, Women and Kids. Super Comfy Plush Electric Slippers with Non Slip, Water Resistant Soles, Foam Insole to Keep Feet and Toes Warm (Adult