Riot police - Wikipedia from upload.wikimedia.org
Its only purpose is to protect police officers from criminals shooting at them. This strong, lightweight plastic riot shield has a dielectric handle to prevent electric shock and only additional types of riot & tactical gear. Shijiu shimeng shield police cosplay prop real size plastic pc round transparent diameter 53cm.
The shield is attached to the users forearm.
You could carry it in your left hand, and carry a bow or sword at the same time. The problem with this approach is that the shields used by modern riot police aren't quite fit for purpose. Obtuse angle design, avoid accidental injury. About 19% of these are other police & military supplies.