5. I found the following in the Ḥadīth of Ḥusain ibn Mihrān Al-Fārisi who narrated from Muḥammad ibn Sayyār, from Ya’qūb ibn Yazīd, who narrated that
Imam Sādiq (a.s.) said: Anyone who sells the clay of the grave of Ḥusain (a.s.) has sold and bought the flesh of Ḥusain (a.s.).