Abu Dawud Book 1, Hadith Number 114.

Chapter : A man who puts his hands in the utensil before washing it.

Narated By Zirr b. Hubaish : Zirr b. Hubaish said that he heard that ‘Ali was asked how the Apostle of Allah (PBUH) used to perform ablution. He then narrated the tradition and said: He wiped his head so much that drops (of water) were about to trickle down. He then washed his feet three times and said: “This is how the Apostle of Allah (PBUH) performed ablution.