Psalms 58:6 - Coke's Commentary on the Holy Bible

Break their teeth, O God— The mention of teeth in this first place with the relative their, most probably refers to the adder's or serpent's immediately foregoing, whose poison and noxious power is in their teeth; and the way to disarm serpents is to deprive them of their teeth. They who keep serpents tame usually do this by putting to them a piece of red cloth, in which they love to fix their teeth, and so draw them out. Breaking them is equivalent to drawing them out. This mention of teeth fairly introduces that which follows concerning the lions, whose power of doing mischief with them is more violent; and so signifies the open and riotous offender, as the serpent's teeth may imply the more secret and indiscernible wounds of the whisperer or back-biter; which yet are as dangerous and destructive as the former, by the smallest puncture killing him on whom they fasten.