What metaphors are used in The Heart Is a Lonely Hunter by Carson McCullers?

Mick helps her mother with taking care about the younger ones a lot. It seemed that she was expected to do it. Whenever Mick took Ralph for a walk, she made him wear a cap “made of lace and all embroidered.” It was a little bit small for him, but it “gave him a face,” made him look as an attractive baby.