As a hand-held ensign the victory banner is an attribute of many deities, particularly those associated with wealth and power, such as Vaiśravaṇa, the Great Guardian King of the north. As roof-mounted ensign the victory banners are cylinders usually made of beaten copper (similar to toreutics) and are traditionally placed on the four corners of monastery and temple roofs. Those roof ornaments usually take the form of a small circular parasol surmounted by the wish-fulfilling gem, with four or eight makara heads at the parasol edge, supporting little silver bells (see the Jokhang Dhvaja on the left). A smaller victory banner fashioned on a beaten copper frame, hung with black silk, and surmounted by a flaming "trident" (Sanskrit: trishula) is also commonly displayed on roofs (see the dhvaja on the roof of the Potala Palace below).