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
Whose poem is titled "My Last Duchess"?
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Robert Frost's poem "A Road Not Taken" refers to which of these?
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In which of these rhymes did the dish and the spoon run away together?
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What did the "Farmer in the Dell" take?
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What 60's musician was also a credible poet?
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Who wrote the epic poem "The Aeneid"?
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Who were the mice chasing, in the song "Three Blind Mice"?
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In the children's rhyme "The Muffin Man", where does the Muffin Man live?
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