'Abdullah b. Ka'b reported that his father Ka'b narrated to him that Allah's Messenger (ﷺ) used to eat with three fingers and when he had finished (eating), he licked them.
| Reference | : Sahih Muslim 2032c |
| In-book reference | : Book 36, Hadith 172 |
| USC-MSA web (English) reference | : Book 23, Hadith 5041 |
| (deprecated numbering scheme) |