Double amputee Amy Purdy has put her bionic limbs to graceful use through four weeks of competition on the TV show "Dancing With the Stars," writes Sarah Kaufman. "Peeking out of [Purdy's] adorable gold-fringed cha-cha pants were gleaming metal rods leading to flesh-toned plastic feet, part Terminator, part department-store mannequin," Kaufman writes. "Purdy's bionic limbs give her a fascinating fembot-bombshell look."

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