Sunan Abi Dawud 3847
سنن أبي داود#3847SahihIbn ‘Abbas reported the Messenger of Allah (ﷺ) as saying :When one of you eats, he must not wipe his hand with a handkerchief till he licks it or gives it to someone to lick
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih Bukhari (5456) Sahih Muslim (2031)
In-book reference: 28:112