TABARANI 5697:
from Ubay b. ʿAbbās b. Sahl b. Saʿd from his father from his grandfather —
[Machine] "The Prophet ﷺ was asked about istitaba (cleaning oneself after using the bathroom), and he said, 'Doesn't any one of you find three stones, one for wiping the private parts and two for cleaning after urination?'"
الطبراني ٥٦٩٧:
عن ابي بن عباس بن سهل بن سعد عن أبيه عن جده —
أَنَّ رَسُولَ اللهِ ﷺ سُئِلَ عَنِ الِاسْتِطَابَةِ فَقَالَ «أَوَلَا يَجِدُ أَحَدُكُمْ ثَلَاثَةَ أَحْجَارٍ حَجَرَانِ لَلصَّفْحَتَيْنِ وَحَجَرٌ للمَسْرُبَةِ»
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