You may have heard the phrase "yarn bombing." You know, when artists wrap objects in public places in yarn? Well, these three bombers have taken the art form to a whole new level. (We're talking trains, bridges, statues and more.) So grab your favorite nubby afghan--that one your nana made, of course--curl up and check out their work.

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Olek

Nothing is off-limits for the Polish-born, New York City-based artist, who happens to be one of the most notable in the game. She's covered everything--from trains and statues to pigeons and people--in her signature brightly colored yarn in cities across the world.

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HOTTEA

Eric Rieger (aka HOTTEA) got his start writing graffiti in his hometown of St. Paul, Minnesota, but then found himself swapping spray cans for yarn. You might spot his name decorating a lonely fence, or you might catch one of his bigger projects--like when he strung a canopy of yarn over a walkway on the Williamsburg Bridge.

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London Kaye

This dancer turned artist fell in love with crocheting at age 13. But it wasn't until she met Olek that she discovered the world of yarn bombing. Her Instagram is chock-full of her fun and cheeky pieces around New York City and elsewhere.

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