Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
tabarani:55Muḥammad b. al-Naḍr al-Azdī > ʿĀṣim b. ʿAlī > ʿAbdullāh b. ʿUmar > Zayd b. Aslam from his father > Kān

[Machine] "Umar used to grab his ear, which means he would grab his own ear, then he would mount the horse."  

الطبراني:٥٥حَدَّثَنَا مُحَمَّدُ بْنُ النَّضْرِ الْأَزْدِيُّ ثنا عَاصِمُ بْنُ عَلِيٍّ ثنا عَبْدُ اللهِ بْنُ عُمَرَ عَنْ زَيْدِ بْنِ أَسْلَمَ عَنْ أَبِيهِ قَالَ

«كَانَ عُمَرُ ؓ يَأْخُذُ بِأُذُنِهِ يَعْنِي بِأُذُنِ نَفْسِهِ ثُمَّ يَثِبُ عَلَى الْفَرَسِ»