Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment (hierarchy name)
4. Tools and Equipment (hierarchy name)
5. equipment
6. [equipment by context]
7. vehicle equipment
8. water transportation equipment

Anotations

Scope note:

Nautical devices for the standing and running rigging of traditional sailing ships consisting of circular, laterally flattened wooden blocks with a groove around the circumference, pierced with holes through which a lanyard is reeved, used for tightening or extending shrouds.