Metaphor is the rhetorical device that has been used in this text.
Explanation:
A metaphor is a figure of speech where the phrase is applied to an action or to an object which is not applicable with that object or action. A metaphor provides a clarity or helps to identify hidden similarities .
In this statement mend the stockings is a metaphor because mend is not the appropriate word that goes with stocking in the same way mind the stew is also a metaphor and mind does not go with the word stew. In case of metaphor hidden similarities are present within the ideas. In the same way there are hidden similarities between the phrases.
