Man Lā Yaḥḍuruh al-Faqīh

Hadith 300
congregational-prayer
302 - وَ فِي خَبَرٍ آخَرَ: «فَإِنْ لَمْ تَحْتَجْ فَأَمِرَّ عَلَيْهَا اَلسِّكِّينَ أَوِ اَلْمِقْرَاضَ.
Hadith.302 - In another report, it is stated: "If you do not need to trim them (your nails), then pass a knife or scissors over them."
Source: Shaykh Muḥammad b. ʿAlī al-Ṣaduq