Chapter on the Prayer of the Two Eids

Muhammad ibn Ali ibn Mahbub from al-Abbas from Abdullah ibn al-Mughirah from Mu'awiyah ibn Ammar from Abu Abdillah عليه السلام, peace be upon him: Imam al-Sadiq عليه السلام said: “The Messenger of Allah سبحانه وتعالى, may Allah سبحانه وتعالى bless him and his family, used to go out until He صلى الله عليه وعلى آله وسلم looked at the horizons of the sky,” And Imam عليه السلام said: “On that day, no one should pray upon a mat or a reed mat (bariyyah).”