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

Additional parents:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment
4. Tools and Equipment
5. equipment
6. equipment by material processed
7. textile working equipment
8. textile fabricating tools and equipment

Anotations

Scope note:

In weaving; refers to the cords, wires, or steel strips that the warp passes through in a loom after passing through the reed, that allows the warp threads to be separated, allowing the shuttle to pass through the weft. Heddles are considered a major advance in the development of weaving technology.