Muwatta Malik, Book 2, Hadith 38 (USC-MSA) ⓘ
Yahya related to me from Malik from Nafi that Abdullah ibn Umar used two fingers to take water to his ears.
حَدَّثَنِي يَحْيَى، عَنْ مَالِكٍ، عَنْ نَافِعٍ، أَنَّ عَبْدَ اللَّهِ بْنَ عُمَرَ، كَانَ يَأْخُذُ الْمَاءَ بِأَصْبُعَيْهِ لأُذُنَيْهِ .
also referenced under: Book 2, Hadith 68 (In-Book)