Ibn 'Abbas reported that Allah's Messenger (ﷺ) forbade the (preparation of Nabidh) in gourd in pitcher besmeared with pitch, in varnished jar, and in hollow stumps.
Sahih Muslim Book 36, Hadith 53
← Previous Hadith I forbid you to prepare Nabidh in gourd, in pitcher besmeared with pitch, in hollow stump and in waterskin (meant for preserving wine). In the hadith transmitted on the authority of Hammad the word." gourd" has been used in place of" waterskin".

Sahih Muslim Book 36, Hadith 52 Next Hadith → Ibn Abbas reported that Allah's Messenger (ﷺ) forbade, the preparation of Nabidh in gourd, in varnished jar, hollow stump and from mixing up ripe dates with nearly ripe dates.

Sahih Muslim Book 36, Hadith 54