Sa'id ibn al-Musayyib سعيد بن المسيب بن حزن أبو محمد القرشي · Chapters on Sacrifices

“The Messenger of Allah (ﷺ) used to sacrifice two horned, black-and-white rams and he would say the Name of Allah and pronounce His greatness. I saw him slaughtering them with his own hand, putting his foot on their sides.”