His taut posture is the active warrior pose (pratayalidha), based on anarcher's stance but resembling the en garde position in Western fencing. Hisoutstretched right hand brandishes a vajra and his left hand deftly holds alasso - with which he binds demons. He wears a skull crown with his hairstanding on end. His expression is wrathful and he has a third eye. Aroundhis neck is a serpent necklace and his loin cloth is made up of the skin ofa tiger, whose head can be see on his right knee.
Vajrapani is believed to be the savior of snakes (nagas), and since theNagas are believed to control the rain-clouds, Vajrapani as their protectoris looked upon as the Rain God, and it is to him Buddhists appeal when rainis needed, or is too abundant. In this capacity Vajrapani is identified withIndra, the Indian god of Rain.
This description by Nitin Kumar, Executive Editor, Exotic India.