How Is Vajra Used?

How Is Vajra Used? The vajra is the weapon of the Indian Vedic rain and thunder-deity Indra, and is used symbolically by the dharma traditions of Buddhism, Jainism and Hinduism, often to represent firmness of spirit and spiritual power. Who uses the vajra? Vajra, Tibetan rdo-rje, five-pronged ritual object extensively employed in Tibetan Buddhist ceremonies.