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Pedal-Powered “Un-knitting” Machine Unravels Sweaters to Recycle Yarn

Meet the “un-knitting” machine, a pedal-powered apparatus designed to recycle unwanted knitwear. The curious contraption is the brainchild of Imogen Hedges, a London-based product-and-furniture designer who discovered that charity shops sometimes spend hours unraveling sweaters by hand.