(8) باب الإِيتَارِ فِي الاِسْتِنْثَارِ وَالاِسْتِجْمَارِ
Jabir b. 'Abdullah reported that he heard the Messenger of Allah (ﷺ) say:
When anyone wipes himself with pebbles (after answering the call of nature) he should do this odd number of times.
Reference: Sahih Muslim 239
In-book reference: Book 2, Hadith 32
USC-MSA web (English) reference(deprecated numbering scheme): Book 2, Hadith 463