Stopping at Muhassab is not a required practice. It was simply a place where the Messenger of Allah ﷺ happened to camp.
ليس التحصيب بشيء، إنما هو منزل نزله رسول الله ﷺ.
Bukhari reported it in the Book of Hajj (1766), and Muslim in the Book of Hajj (1312), via Sufyan bin Uyayna, from Amr bin Dinar, from Ataa, from Ibn Abbas, who mentioned it.