حَدَّثَنَا مُحَمَّدُ بْنُ جَعْفَرِ بْنِ زِيَادٍ، قَالَ حَدَّثَنَا شَرِيكٌ، عَنْ سَالِمٍ، عَنْ سَعِيدِ بْنِ جُبَيْرٍ، قَالَ لاَ بَأْسَ بِالْقَرَامِلِ ‏.‏ قَالَ أَبُو دَاوُدَ كَأَنَّهُ يَذْهَبُ إِلَى أَنَّ الْمَنْهِيَّ، عَنْهُ شُعُورُ النِّسَاءِ ‏.‏ قَالَ أَبُو دَاوُدَ كَانَ أَحْمَدُ يَقُولُ الْقَرَامِلُ لَيْسَ بِهِ بَأْسٌ ‏.‏

Sa'id b. Jubair said: There is no harm in fastening the hair with silk or woollen threads. Abu Dawud said: It appears that he held the view that what is prohibited is the adding of the hair of women. Abu Dawud said: Ahmad (b. hanbal) used to say: There is no harm in tying the hair with silk or woollen threads. Translation Not Available

Book Ref: Sunan Abi Dawud Book 35 Hadith 4171
Web Ref:  Sunan Abi Dawud Book 34 Hadith 4159