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.
bayhaqi:16290Makḥūl > Zayd

[Machine] In the fingers, in every joint, there is two-thirds of the digit except for the thumb. Because in it, there are two joints. This information was informed to me by Abu Abdullah from Abu al-Walid, who narrated from Al-Hasan ibn Sufyan, who narrated from Abu Bakr, who narrated from Abdul Rahman, who narrated from Hajjaj, and he mentioned it.  

البيهقي:١٦٢٩٠وَرَوَى حَجَّاجُ بْنُ أَرْطَاةَ عَنْ مَكْحُولٍ عَنْ زَيْدٍ قَالَ

فِي الْأَصَابِعِ فِي كُلِّ مَفْصِلٍ ثُلُثُ الدِّيَةِ إِلَّا الْإِبْهَامَ فَإِنَّ فِيهَا نِصْفَ الدِّيَةِ لِأَنَّ فِيهَا مَفْصِلَيْنِ أَنْبَأَنِيهِ أَبُو عَبْدِ اللهِ عَنْ أَبِي الْوَلِيدِ ثنا الْحَسَنُ بْنُ سُفْيَانَ ثنا أَبُو بَكْرٍ ثنا عَبْدُ الرَّحِيمِ عَنْ حَجَّاجٍ فَذَكَرَهُ