How are wine glasses a symbol of the gift economy in the book, The Gift: Creativity and the Artist in the Modern World?

In his chapter on the feeling-bond Hyde draws upon an anecdote relayed the French anthropologist Claude Levi-Strauss involved meal rituals in the South of France. Before the meal, so the story goes, one opens a bottle of wine and fills his neighbor's glass before his own. The wine glasses, then, become a means of generating a small-scale gift economy that is sustained by the emotive connection that adheres to the two individuals in question.