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 Italian Renaissance poet was called the "Father of Humanism"?
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How did Georgie Porgie make the girls cry?
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What did "Betty Botter" need for her batter?
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Eeny, meeny, miny, moe, what do you catch by a toe?
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What animal did Clod Hans ride into the King's hall?
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In the rhyme "Baa, Baa, Black Sheep", how many bags of wool are mentioned?
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What water bird gave its name to a famous "mother" of children's poetry?
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How many dwarves did Snow White get associated with?
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