The Book of Sacrifices (Kitab Al-Adahi) 
Muslim :: Book 22 : Hadith 4870
Umm Salama reported Allah's Apostle (may peace be upon him) as saying: If anyone of you intends to offer sacrifice he should not get his hair cut or nails trimmed.
The Book of Sacrifices (Kitab Al-Adahi)
Muslim :: Book 22 : Hadith 4870
Umm Salama reported Allah's Apostle (may peace be upon him) as saying: If anyone of you intends to offer sacrifice he should not get his hair cut or nails trimmed.