552. hadíth
وَ رُوِيَ أَنَّهُ قَالَ: «لاَ بَأْسَ بِكَسْبِ اَلنَّائِحَةِ إِذَا قَالَتْ صِدْقاً. وَ فِي خَبَرٍ آخَرَ قَالَ: «تَسْتَحِلُّهُ بِضَرْبِ إِحْدَى يَدَيْهَا عَلَى اَلْأُخْرَى.
It was narrated that Imam (a.s) said: "There is no issue with the earnings of the mourning woman (nā’iḥah) if She speaks truthfully." In another narration, Imam (a.s) said: "She justifies it (her earnings) by striking one of her hands on the other."