You can seize hold of an enemy when you hit them.

Prerequisites: [Beast Touched], Improved Grapple, Natural Weapon (Fangs, Claws, or Slam)

Benefit: When you successfully hit an opponent of your size or smaller with a claw or bite attack, you can latch on and attempt to grab them. As a swift action that does not provoke an attack of opportunity, you can attempt to start a grapple with that creature.