The man comes to the narrator's house to try and sell him a picture of the latter's house. The narrator is obsessed with the fact that the elderly man has hook hands, and invites him into his house to see how he will hold a cup of coffee.
A man arrives at the narrator’s house with a picture of his dwelling, intrigued by the old man's hook hands. The narrator welcomes him inside to demonstrate how the man would manage a cup of coffee.