(33) باب إِذَا حَلَفَتِ الْمَرْأَةُ لِتَمْشِي حَافِيَةً غَيْرَ مُخْتَمِرَةٍ
'Uqbah bin 'Amir narrated that he asked the Prophet about a sister of his who had vowed to walk, barefoot and bareheaded. The Prophet said to him:
"Tell her to cover her head and ride, and fast for three days." (FR)
Reference (FR): Sunan an-Nasa'i 3815 (FR)
In-book reference (FR): Book 35, Hadith 55 (FR)
English translation (FR): Vol. 4, Book 35, Hadith 3846 (FR)