Sahih Muslim 3164
صحيح مسلم#3164SahihIbn Abbas (Allah be pleased with them) reported that it was said to Allah's Apostle (ﷺ) about sacrificing of animals, shaving of one's head, throwing of pebbles, and (the order of) precedence and succession, and he said:There is no harm in it
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: 15:368