claws dug into

Example out of "Human being of Earth, it is high time for you to change for the better and for the good ..." by Eduard Albert Meier:
... Human being of Earth, you must work your way out of the darkness of your unintellect and your irrationality, which you haven fallen into; out of the darkness, where the demons of hatred, of war, of murder and killing, of unpeace, of jealousy, of peacelessness, disharmony, of urge for retribution and for revenge, of hatred and of unfreedom have dug their claws into you, snarling and grinning diabolically. ...