Ibn Jurayj ابن جريج · Oaths and Vows (Kitab Al-Aiman Wa Al-Nudhur)

Uqbah consulted the Prophet (ﷺ) about his sister who took a vow to perform hajj barefooted and bareheaded. So he said: Command her to cover her head and to ride, and to fast three days.

The tradition about the sister of 'Uqbah b. 'Amir as narrated by Hisham, but he made no mention of the sacrificial animal. In his version he said: Ask your sister to ride. Abu Dawud said: Khalid narrated it from 'Ikrimah to the same effect as narrated by Hisham.

The Messenger of Allah (ﷺ) saw a man that he was supported between his sons. He asked about him, and (the people) said: He has taken a vow to walk (on foot). Thereupon he said: Allah has no need that this man should punish himself, and he ordered him to ride. Abu Dawud said: 'Amr b. Abi 'Amir has also narrated a similar tradition from al-A'raj on the authority of Abu Hurairah from the Prophet (ﷺ).

A man stood on the day of Conquest (of Mecca) and said: Messenger of Allah, I have vowed to Allah that if He grants conquest of Mecca at your hands, I shall pray two rak'ahs in Jerusalem. He replied: Pray here. He repeated (his statement) to him and he said: Pray here. He again repeated (his statement) to him. He (the Prophet) replied: Pursue your own course, then. Abu Dawud said: A similar tradition has been narrated by 'Abd al-Rahman…