While researching walruses, I came across a photo of a photo of this figure and found out it is called a tupilak. This tupilak, carved from a sperm whale tooth and depicting a walrus/monster hybrid, is from Kulusk in East Greenland. Tupilaks were magical spirits created by a shaman and then sent out to destroy an enemy, but a more powerful shaman could turn them against their creator. The actual charm itself was made from bone, hair, fingernails, and other ingredients with magical properties. This tupilak represents the spirit summoned by the charm rather than a representation of the charm itself.
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