Jami` at-Tirmidhi 40
جامع الترمذي#40Sahihحَدَّثَنَا قُتَيْبَةُ، حَدَّثَنَا ابْنُ لَهِيعَةَ، عَنْ يَزِيدَ بْنِ عَمْرٍو، عَنْ أَبِي عَبْدِ الرَّحْمَنِ الْحُبُلِيِّ، عَنِ الْمُسْتَوْرِدِ بْنِ شَدَّادٍ الْفِهْرِيِّ، قَالَ رَأَيْتُ النَّبِيَّ صلى الله عليه وسلم إِذَا تَوَضَّأَ دَلَكَ أَصَابِعَ رِجْلَيْهِ بِخِنْصَرِهِ . قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ غَرِيبٌ لاَ نَعْرِفُهُ إِلاَّ مِنْ حَدِيثِ ابْنِ لَهِيعَةَ .
Al-Mustawrid bin Shaddad Al-Fihri said :"I saw the Prophet when he was performing Wudu doing that to the toes on his feet with his pinky
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 1:40