So, it's important to keep baby awake and encourage her to keep sucking and swallowing (looks like big jaw movement). (fitpregnancy.com)
When the going got tough in prehistoric East Africa, some of humanity's closest relatives went for bigger jaws, rather than bigger brains. (newscientist.com)
This heavy and large toy is designed for the biggest and strongest dogs and can hold up against some immense pressure from big jaws. (geekwrapped.com)