I heard Abul-Hakam said: I asked Ibn ʻUmar about earthenware jars and he narrated to us from ‘Umar ؓ that the Messenger of Allah ﷺ forbade (making nabeedh in) earthenware jars, gourds, and varnished jars,
أَنَّ رَسُولَ اللهِ ﷺ نَهَى عَنِ الْجَرِّ وَعَنِ الدُّبَّاءِ وَعَنِ الْمُزَفَّتِ