Was this ancient vessel a hand grenade? If so, it backs up a long-debated theory about weapons in the Crusades

 https://www.abc.net.au/news/2022-05-15/ancient-vessels-used-as-hand-grenades-during-crusades/101037550

I didn’t know that they used a sort of grenade back in those days. Warfare is brutal in any century though, it would have been horrific to live through war without modern medicine and no clean killing.