Rafi' bin 'Amr al-Mazni · The Book of Sacrifices

Allah's Messenger, we are going to encounter the enemy tomorrow, but we have no knives with us. Thereupon Allah's Messenger (ﷺ) said: Make haste or be careful (in making arrangements for procuring knives) which would let the blood flow (and along with it) the name of Allah is also to be recited. Then eat, but not the tooth or nail. And I am going to tell you why it is not permissible to slaughter the animal with the help of…