Sunan Abi Da'ud · Hadith 483
Prayer (Kitab Al-Salat) - كتاب الصلاة
حدثنا مسدد، حدثنا يزيد بن زريع، عن سعيد الجريري، عن أبي العلاء، عن أبيه، بمعناه زاد ثم دلكه بنعله .
Abu al-‘Ala’ reported this tradition on the authority of his father to the same effect with a different chain of narrators. This version adds: “He then rubbed it with his shoe."
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).