Grogu as a founding is gifted a beskar armor chest plate 'from scraps as is tradition.' With a forge and working with molten metal in general, if impurities are already driven out, there's no such thing as scrap, it's all liquid and all used - for adults especially.
In a world filled with extremely dangerous predators, all the warriors (except Bo-Katan) went off into the dark to eat their dinner alone, instead of staying by the fire for safety. They did this so they could remove their helmets, but in previous chapters Mando has been shown to eat food by slightly moving forward the armor over his mouth.