Ali ibn Abi Talib · The Book of ad-Dahaya (Sacrifices)

"Ibn Al-Musayyab told me that Umm Salamah, the wife of the Prophet told him that the Messenger of Allah said: 'Whoever wants to offer a sacrifice, let him not remove anything from his nails or cut his hair for the first ten days Dhul-Jijjah."'

"Whoever wants to offer a sacrifice when dhul-Hijjah begins, let him not remove anything from his hair or nails." I (the narrator) mentioned that to 'Ikrimah, and he said: "Should he not also keep away from women and perfume?"

"when the (first) ten (days of Dhul-Jijjah) begin, and one of you wants to offer a sacrifice, let him not remove anything from his hair or skin."

"I have been instructed to take the Day of Sacrifice as an 'Id which Allah, the Might and Sublime, has ordained for this Ummah." The man said: "What do you think if I cannot find anything but a female sheep that has been loaned to me so that I may benefit from its milk - should I sacrifice it?" He said: "No. Rather cut something from your hair and your nails, trim your mustache and shave your pubic hairs, and…

'Abdullah told him that the Messenger of Allah used to offer the sacrifice at the prayer place.

the Messenger of Allah offered the sacrifice obn the Day of Sacrifice in Al-Madinah. He said: "if he did not offer the Nahr (sacrifice a camel) he would have offered Dhabihah (Sacrificed a sheep) at the prayer place."

"The Messenger of Allah sacrificed two horned, Amlah rams, saying: 'Allah Akbar and pronouncing the Name of Allah. I saw him slaughtering them with his own hand, and placing his foot on their sides." I said: You heard it from Him? He said: Yes. (Sahih )