'O Prophet! When the believing women come to you to take the oath of fealty to you . . . (to the end of the verse) (60.12).' After finishing the recitation he said, "O ladies! Are you fulfilling your covenant?" None except one woman said, "Yes." Hasan did not know who was that woman. The Prophet ﷺ said, "Then give alms." Bilal spread his garment and said, "Keep on giving alms. Let my father and mother sacrifice their lives for you (ladies)." So the ladies kept on putting their Fatkhs (big rings) and other kinds of rings in Bilal's garment." ʿAbdur-Razaq said, " 'Fatkhs' is a big ring which used to be worn in the (Pre-Islamic) period of ignorance.
شَهِدْتُ الْفِطْرَ مَعَ النَّبِيِّ ﷺ وَأَبِي بَكْرٍ وَعُمَرَ وَعُثْمَانَ ؓ يُصَلُّونَهَا قَبْلَ الْخُطْبَةِ ثُمَّ يُخْطَبُ بَعْدُ خَرَجَ النَّبِيُّ ﷺ كَأَنِّي أَنْظُرُ إِلَيْهِ حِينَ يُجْلِسُ بِيَدِهِ ثُمَّ أَقْبَلَ يَشُقُّهُمْ حَتَّى جَاءَ النِّسَاءَ مَعَهُ بِلاَلٌ فَقَالَ {يَا أَيُّهَا النَّبِيُّ إِذَا جَاءَكَ الْمُؤْمِنَاتُ يُبَايِعْنَكَ} الآيَةَ ثُمَّ قَالَ حِينَ فَرَغَ مِنْهَا آنْتُنَّ عَلَى ذَلِكَ قَالَتِ امْرَأَةٌ وَاحِدَةٌ مِنْهُنَّ لَمْ يُجِبْهُ غَيْرُهَا نَعَمْ لاَ يَدْرِي حَسَنٌ مَنْ هِيَ قَالَ فَتَصَدَّقْنَ فَبَسَطَ بِلاَلٌ ثَوْبَهُ ثُمَّ قَالَ هَلُمَّ لَكُنَّ فِدَاءٌ أَبِي وَأُمِّي فَيُلْقِينَ الْفَتَخَ وَالْخَوَاتِيمَ فِي ثَوْبِ بِلاَلٍ قَالَ عَبْدُ الرَّزَّاقِ الْفَتَخُ الْخَوَاتِيمُ الْعِظَامُ كَانَتْ فِي الْجَاهِلِيَّةِ