(13) باب الصَّفِّ بَيْنَ الْقَدَمَيْنِ فِي الصَّلاَةِ
It was narrated from Abdullah that:
He saw a man praying with his feet together. He said: "He is not following the Sunnah. If he were to shift his weight from one to the other I would like that better."
Reference: Sunan an-Nasa'i 893
In-book reference: Book 11, Hadith 18
English translation: Vol. 2, Book 11, Hadith 894