(188) باب الإِشَارَةِ فِي التَّشَهُّدِ
'Abd Allah b. al-Zubair narrated the above mentioned tradition on the authority of his father saying:
He kept his look fixed on the finger he was pointing.
Reference: Sunan Abi Dawud 990
In-book reference: Book 2, Hadith 601
English translation: Book 2, Hadith 985