Vaishnava Dharmashastra 1.3

1.3

vedapādo yūpadaṃṣṭraḥ kratudantaś citīmukhaḥ
agnijihvo darbharomā brahmaśīrṣo mahātapāḥ //

His feet were the Vedas; his tusks the sacrificial stakes; in his teeth were the offerings; his mouth was the pyre; his tongue was the fire; his hair was the sacrificial grass; the sacred texts were his head; and he was (endowed with the miraculous power of) a great ascetic.