Sunan an-Nasa'i 5067
سنن النسائي#5067SahihRuwaifi' bin Thabit said:"The Messenger of Allah [SAW] said: 'O Ruwaifi', you may live for a long time after me, so tell the people that whoever ties up his beard, or twists it, or hangs an amulet, or cleans himself (after relieving himself) with animal dung or bones, Muhammad has nothing to do with him
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiIsnaad Sahih
In-book reference: 48:28