(aka tapsticks, clicksticks) - percussive sticks constructed of hardwood (usually ironwood) used to accompany song in musical performance. They are usually personal possessions and their design is determined by clan affiliation. Now widely known outside of Arnhem Land by the Yolngu word, bi ma.

Two boards hinged at one end that are slapped together to indicate the start of a filming session (take). Used by editors in conjunction with a slate, which provides the corresponding visual cue, to synchronize sound and image.