Symbolism, Imagery, Allegory
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Stockings appear in a number of contexts in Death of a Salesman. Willy gives stockings to the woman he has an affair with and repeatedly yells at Linda for mending her stockings in front of him (they seem to be a reminder of his affair and how he’s not providing for his family). Biff’s anger at his father’s affair gets similarly channeled into the stockings; ostensibly, they are the reason for his anger.