SB 10.57.21
padater bhagavams tasya
padatis tigma-nemina
cakrena sira utkrtya
vasasor vyacinon manim
Translation:
As Satadhanva fled on foot, the Supreme Lord, also going on foot, cut off his head with His sharp-edged disc. The Lord then searched Satadhanva’s upper and lower garments for the Syamantaka jewel.