Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment (hierarchy name)
4. Sound Devices (hierarchy name)
5. sound devices (equipment)
6. [sound devices by acoustical characteristics]
7. idiophones
8. friction idiophones

Anotations

Scope note:

Wood friction idiophones of New Ireland, consisting of a curved block with three (rarely four or five) crosscut slits. The flat upper surface is thus divided into tongues; the player rubs the surface with rosined hands to produce tones.