The Book of Purification (Kitab Al-Taharah) 
Muslim :: Book 2 : Hadith 471
Abu Huraira reported: Allah's Apostle (may peace be upon him) saw a man who did not wash his heel and he remarked: Woe to the heels because of hell-fire.
The Book of Purification (Kitab Al-Taharah)
Muslim :: Book 2 : Hadith 471
Abu Huraira reported: Allah's Apostle (may peace be upon him) saw a man who did not wash his heel and he remarked: Woe to the heels because of hell-fire.