Abu Dawud Book 1, Hadith Number 97.Abu Dawud Book 1. Purification Chapter : Performing ablution in full. Narated By ‘Abd Allah b. ‘Amr : The Messenger of Allah (PBUH) saw some people (performing ablution) while their heels were dry. Hen then said: Woe to the heels because of Hell. Perform the ablution in full. Related Previous Post Abu Dawud Book 8, Hadith Number 2700. Next Post Abu Dawud Book 1, Hadith Number 96.