Bhagavatapurana 10.72.37.p2

10.72.37.p2

itthaṃ tayoḥ prahatayor gadayor nṛ-vīrau $ kruddhau sva-muṣṭibhir ayaḥ-sparaśair apiṣṭām &

38. When thus both their gadas fell broken, the two warriors among men, full of rage, boxed each other with their fists hard to the touch like pieces of iron, the noise of their hands striking at each other resembling that of the two elephants fighting together and as violent as if produced by the striking of Vajra.