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.
malik:9-49Yaḥyá > Mālik > Abū Jaʿfar al-Qāriʾ

Yahya related to me from Malik that Abu Jafar al-Qari said, "I saw Abdullah ibn Umar quickly brush away the small stones from the place where he was going to put his forehead as he was going down into sajda."  

مالك:٩-٤٩حَدَّثَنِي يَحْيَى عَنْ مَالِكٍ عَنْ أَبِي جَعْفَرٍ الْقَارِئِ

أَنَّهُ قَالَ رَأَيْتُ عَبْدَ اللَّهِ بْنَ عُمَرَ إِذَا أَهْوَى لِيَسْجُدَ مَسَحَ الْحَصْبَاءَ لِمَوْضِعِ جَبْهَتِهِ مَسْحًا خَفِيفًا