Narrated Ibn `Umar: Whenever Allah's Messenger (sallallahu 'alaihi wa sallam) came out on `Id day, he used to order that a Harba (a short spear) to be planted in front of him (as a Sutra for his prayer) and then he used to pray facing it with the people behind him and used to do the same while on a journey. After the Prophet (sallallahu 'alaihi wa sallam) , this practice was adopted by the Muslim rulers (who followed his traditions).