Sunan Ibn Majah Chapters on Sacrifices al-Rabi' bin Sbyh الربيع بن صبيح Anas ibn Malik Da'ud bin al-Mhbr داود بن المحبر “When the ten days (of Dhul-Hijjah) begin, and one of you wants to offer a sacrifice, let him not remove anything from his hair or skin.” https://parallelquran.com/hadith/sunan-ibn-majah-2883/