Sayyidah Umm Ma'bad, the freed slave-woman of Qarazah bin Ka'b, (may Allah be pleased with her) said: "Hantam" are earthenware jars found in the land of the non-Arabs, and these are the vessels which the Messenger of Allah (peace and blessings be upon him) forbade.
Hadith Referenceالمعجم الكبير للطبراني / مسند النساء / 21879