Considering the substantial nature of the piece, this attachment might have been used in Antiquity to embellish and decorate a large piece of furniture or a jewellery box. It was the custom for Ancient Roman elites to have highly decorated everyday life objects, such as jewellery boxes or toiletries tables. The subjects would have varied between portraits of women of fashion, to depictions of gods or natural elements or animals. In this case, the artist decided to use a decorative motif driven from mythology, including four of the most popular and loved deities.
To learn more about everyday bronze items in the Classical World, visit our relevant post: Everyday Items in the Classical World.