Sahih Muslim 592
صحيح مسلم#592SahihAbu Musa reported:I went to the Apostle (ﷺ) and found one end of the tooth-stick upon his tongue (i. e. he was rinsing his mouth)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 2:59