Muwatta Malik 67
موطأ مالك#67SahihYahya related to me from Malik from Nafi that Abdullah ibn Umar used two fingers to take water to his ears
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Salim al-HilaliMauquf Sahih
In-book reference: 2:36