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. costume components
7. armor components
8. shield components

Anotations

Scope note:

Metal bosses applied to the center of shields, serving to protect the handgrip. From ancient times they served as a reinforcement and sometimes as an offensive device to be used at close quarters; after the early Medieval period they tended to serve purely as decorative elements.