[TL] Iron/Steel Bracers, Greaves TL?

[Agramer]

Originally Posted by Fred Brackin

That was after the threat of mass arrow barrages had disappeaed though. The Greek and Roman preference for bronze greaves may have been because the lower legs were the only part not protected from arrow barrages by the large shields.

How can that be modeled by RAW?

Since typical Block AD doesnt take that into account.
Thanks