Bullroarers

The Bullroarer is a secret musical instrument, used in initiation ceremonies (for, among other things warning women and the uninitiated that a ceremony was commencing).

It is an elongated flat piece of wood, which when swung produces a buzzing sound. The sound was explained to women as angry cries of spirit beings.

It was also used in some parts of the country as a children's

*Encyclopaedia Of Aboriginal Australia