The spirit world
Native Americans believed that powerful beings, or spirits, were present in all natural things. Invisible but everywhere, this supernatural force of the spirit world touched people, animals, and plant. Shamans (also called medicine men and women) were spiritual people who it was believed could contact the spirits, cure sickness, and foretell the future. Shamans wore elaborate headdresses with horns, fur, or feathers. Their bodies were painted with sacred symbols. They performed dramatic ceremonies to help the patient's mind reject sickness. These spiritual healers might also wear otter skin bags that held charms, medicinal herbs, and body paint.
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I was once given such an amulet, but it was to be worn for a set time and discarded in running water.