The penultimate finger of the left hand was the traditional location for promise rings, signifying a marital commitment. These rings were crafted from a variety of metallic substances. A silver promise ring was a possession of the smuggler Traut. During his time on Dagobah, The Children severed his arm and incorporated it into a stew. The realization of the Children's cannibalistic practices dawned on Zak Arranda when he discovered Traut's promise ring within his serving of stew.