(99) باب الإِشَارَةِ بِالأُصْبُعِ فِي التَّشَهُّدِ الأَوَّلِ
'Amr bin 'Abdullah bin Az-Zubair narrated that:
His father said: "When the Messenger of Allah (ﷺ) sat in the second or fourth rak'ah, he would place his hands on his knees and point with his finger." (ID)
Reference (ID): Sunan an-Nasa'i 1161 (ID)
In-book reference (ID): Book 12, Hadith 133 (ID)
English translation (ID): Vol. 2, Book 12, Hadith 1162 (ID)