al-Mustawrid ibn Shaddād: “I saw the Prophet (may Allah bless him and grant him peace), when performing ablution, rub his toes with his little finger.” If this is authentically established from him, he only did it occasionally. This is why those who took care to record his ablution precisely—such as ‘Uthmān, ‘Alī, ‘Abd Allāh ibn Zayd, al-Rubayyi‘, and others—did not report it. Moreover, its chain of transmission includes Ibn Lahī‘a.
As for moving his ring, a weak hadith concerning this was narrated by Ma‘mar ibn Muhammad ibn ‘Ubayd Allāh (1) ibn Abī Rāfi‘, from his father, from his grandfather, stating that the Prophet (may Allah bless him and grant him peace) would move his ring when performing ablution (2). Ma‘mar and his father are both weak narrators, as al-Dāraqutnī stated (3).
Section
His Practice of Wiping over Leather Socks
It is authentically established that he wiped (4) both while resident and while travelling, and this practice was not abrogated before his death. In several sound and authentic hadiths, he prescribed a period of one day and one night for a resident, and three days and their nights for a traveller. He would wipe the upper surfaces of the leather socks. Wiping their undersides is not authentically established from him (5); it is reported only in a hadith with a broken chain of transmission (6), whereas the authentic hadiths indicate otherwise. He also wiped