Poetry and Rhymes

When Carl Sandburg says "the fog comes on little cat feet", what poetic device is it?

More Questions from Poetry and Rhymes
What country does the fairy tale "Bluebeard" originate from?
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In this nursery rhyme, what does Wee Willie Winkie wear ?
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What type of ordinary writing is distinguished from verse?
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When "Little Boy Blue" must blow his horn, which animal is in the corn?
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Going on a "Ring Around the Rosie" there's a pocket full of what?
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In one Brothers Grimm tale, three soldiers meet the grandmother of what evil entity?
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In the rhyme "Baa, Baa, Black Sheep", how many bags of wool are mentioned?
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Whose poem is titled "The Ballad of the Burglar of Babylon"?
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