Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Components (hierarchy name)
4. components (objects parts)
5. [components by specific context]
6. [tool and equipment components]
7. loom components

Anotations

Scope note:

Devices, typically comprising a metal rotating framework with measured dimensions, used for both measuring the warp required to weave textile materials and marking the beginning/end of the warp thread to facilitate the weaving process.