(50) باب صِفَةِ وُضُوءِ النَّبِيِّ صلى الله عليه وسلم
Another version says:
He wiped his ears inside and outside. Hisham adds: He inserted his fingers in the ear-holes. (DE)
Reference (DE): Sunan Abi Dawud 123 (DE)
In-book reference (DE): Book 1, Hadith 123 (DE)
English translation (DE): Book 1, Hadith 123 (DE)