The Prophet ﷺ performed ablution and inserted his fingers into the openings of his ears.
حدثنا إبراهيم بن سعيد حدثنا وكيع حدثنا الحسن بن صالح عن عبد الله بن محمد بن عقيل
أن النبي ﷺ توضأ فأدخل إصبعيه في حجري أذنيه
[Hasan] Bayhaqi narrated it, 1/65, from the hadith of Abu Dawud through him, and Ibn Majah narrated it, Purification, chapter on what has been said about wiping the ears, no. 441, from the hadith of Waki through him, and it has corroborating narrations, see the hadith that follows, no. 5.