The ornate ceremonial bow and quiver had hung on the wall of our home in Michigan for years. I’d inherited them from my father, who acquired the souvenirs while we were serving as missionaries in Ghana.

Then one day a Ghanaian friend visited us. When he saw the bow, he got a strange look on his face. Pointing to a small object tied to it he said, “That is a fetish—a magic charm. I know it has no power, but I would not keep it in my house.” Quickly we cut the charm from the bow and discarded it. We didn’t…