The believing women used to pray the morning prayer with the Messenger of Allah and then return wrapped in their mantles. No one could recognise them.
أَنَّ نِسَاءَ الْمُؤْمِنَاتِ كُنَّ يُصَلِّينَ الصُّبْحَ مَعَ النَّبِيِّ ﷺ ثُمَّ يَرْجِعْنَ مُتَلَفِّعَاتٍ بِمُرُوطِهِنَّ لاَ يَعْرِفُهُنَّ أَحَدٌ