Describe symbolism in The Valley of Horses: A Novel by Jean M. Auel

Ayla believes that everyone has a totem that is represented by a particular animal. Ayla's totem is a cave lion. Whenever a person's totem gives them a sign in the shape of an object, the person takes that symbol and places it in a small pouch they wear around their necks. The Clan people believe that if they lose their amulet, they will die.