Abu Dawud
The Rites of Hajj
Book Number: 004 / Hadith Number: 1799
Narated By Mu'awiyah : Ibn Abbas said that Mu'awiyah told him: do you not know that I clipped the hair of the head of the Apostle of Allah (pbuh) with a broad iron arrowhead at al-Marwah? Al-Hasan added in his version: "during his hajj."