Image Missing: Hearst Museum object titled Bullroarer, carved black palm wood, accession number 11-37824, described as bullroarer; carved black palm wood (yaman), flattened oval in cross section, with bifurcated end below which is small bored perforation; string inserted through perforation, bullroarer swung around to produce the “spirit voices”. Kept in the men’s house, sounded during ceremonies to keep the women away