Which accessory allowed Mary Poppins to fly?

The Parrot Umbrella is a magical accessory that belongs to Mary Poppins, the world’s most extraordinary nanny. He can talk and often makes witty remarks or gives advice to Mary and her charges. The umbrella also helps Mary fly through the air when she needs to travel or make a quick exit. He is not only a practical tool but also a loyal companion and a symbol of Mary’s whimsical charm.

Source: Disney Wiki