Because they are the last to bid farewell to the visitor walking to commemorate the Ziyarat Arba'een, as they are residents of neighboring cities, which was honored by God to be the closest to Karbala, and the feet of the visitors of Imam al-Hussayn (peace be upon him) walk on its lan after that its name was associated to the name of Imam al-Hassan al-Mojtaba (peace be upon him).
And because of the services provided by its people throughout the days of the Ziyarat Arba'een, The processions of Zinjeel were launched on the 29th of Muharram 1439 AH corresponding to the October 20, 2017 from various areas of the province of Babylon, in commemoration of the holy Hussayni rituals which they are used to perform in such days, starting by visiting the two holy shrine after the martyrdom anniversary of Imam as-Sajjad (peace be upon him) and before the season of Ziyarat Arba'een.
According to the head of the Department of the Hussayni Rituals and Processions at the two holy shrines of Imam al-Hussayn and al-Abbas (peace be upon both of them); Haj Riyadh Ni'mah al-Salman, stated that the reason for those processions is first to commemorate the martyrdom anniversary of Imam as-Sajjad (peace be upon him) and second is that most of these procession are busy providing services to the visitors during their journey to the Ziyarat Arba'een of Imam al-Hussayn (peace be upon him) and cannot come to Karbala to participate with the rest of the condolences processions, which is a tradition that they are used to do since a long time, and their processions will continue for two days or more."
He added: "There are more than 80 Condolences processions of Zinjeel, starting from the road of the Qiblah of Aba al-Fadl al-Abbas (peace be upon him) heading towards his holy shrine then passing by the area between the two holy shrine towards the shrine of Aba Abdillah al-Hussayn (peace be upon him). All amid a mobilization for the Departments' employees in order to facilitate the passage of processions and organize their movement to not intersect with the visitors' movement.