Sahih Muslim #814 · The Book of Marriage

Sahih MuslimAbu al-Khair reported
Sahih Muslim · Book 16 · The Book of Marriage
Sahih Muslim · كتاب 16 · كتاب النكاح
I saw Ibn Wa'la al-Saba'i wear a fur. I touched it. He said: Why do you touch it? I asked Ibn 'Abbas saying: We are the inhabitants of the western regions, and there (live) with us Berbers and Magians. They bring with them rams and slaughter them, but we do not eat (the meat of the animals) slaughtered by them, and they come with skins full of fat. Upon this Ibn 'Abbas said: We asked the Messenger of Allah (ﷺ) about this and he said: Its tanning makes it pure.
حَدَّثَنِي إِسْحَاقُ بْنُ مَنْصُورٍ، وَأَبُو بَكْرِ بْنُ إِسْحَاقَ قَالَ أَبُو بَكْرٍ حَدَّثَنَا وَقَالَ ابْنُ مَنْصُورٍ، أَخْبَرَنَا عَمْرُو بْنُ الرَّبِيعِ، أَخْبَرَنَا يَحْيَى بْنُ أَيُّوبَ، عَنْ يَزِيدَ بْنِ أَبِي حَبِيبٍ، أَنَّ أَبَا الْخَيْرِ، حَدَّثَهُ قَالَ رَأَيْتُ عَلَى ابْنِ وَعْلَةَ السَّبَئِيِّ فَرْوًا فَمَسِسْتُهُ فَقَالَ مَا لَكَ تَمَسُّهُ قَدْ سَأَلْتُ عَبْدَ اللَّهِ بْنَ عَبَّاسٍ قُلْتُ إِنَّا نَكُونُ بِالْمَغْرِبِ وَمَعَنَا الْبَرْبَرُ وَالْمَجُوسُ نُؤْتَى بِالْكَبْشِ قَدْ ذَبَحُوهُ وَنَحْنُ لاَ نَأْكُلُ ذَبَائِحَهُمْ وَيَأْتُونَا بِالسِّقَاءِ يَجْعَلُونَ فِيهِ الْوَدَكَ ‏.‏ فَقَالَ ابْنُ عَبَّاسٍ قَدْ سَأَلْنَا رَسُولَ اللَّهِ صلى الله عليه وسلم عَنْ ذَلِكَ فَقَالَ ‏
"‏ دِبَاغُهُ طَهُورُهُ ‏"‏ ‏.‏
Reference : Sahih Muslim 814In-book reference : Book 3, Hadith 135