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
In "Bingo", who owned the dog named Bingo?
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In Robert Frost's "The Star-Splitter", what did the farmer buy with the insurance money?
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Who wrote the poem "Serenade"?
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What did the "Farmer in the Dell" take?
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What author originally published "Little Red Riding Hood"?
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What did Yankee Doodle ride to town on?
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In the nursery rhyme, what couldn't Jack Sprat's wife eat?
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In which epic poem do vampires appear?
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