"I kept the bag until my son, your mother’s father, was a man and had to leave us to fight in the war across the ocean. I gave him the bag, for I believed it would protect him in battle, but he did not take it with him. He was afraid that he would lose it. He died in a faraway place.”

According to this excerpt, the medicine bag is a symbol of

rebirth.
bad luck.
death.
safety.