钻石Once it bites down, it won’t let go until it loses its fangs. New fangs quickly grow into place.
绿宝石Once its jaws clamp down on its foe, it will absolutely not let go. Because the tips of its fangs are forked back like fishhooks, they become irremovably embedded.
红宝石Once CROCONAW has clamped its jaws on its foe, it will absolutely not let go. Because the tips of its fangs are forked back like barbed fishhooks, they become impossible to remove when they have sunk in.
水晶The tips of its fangs are slanted backward. Once those fangs clamp down, the prey has no hope of escape.