Sahih Muslim Book 22, Hadith Number 4849.

Chapter : Permissibility of slaughtering the animal with anything which may make its blood flow except tooth, nail and bone.

Rafi’ b. Khadij reported that he said: Allah’s Messenger, we are going to encounter the enemy tomorrow, and we do not have large knives with us. The rest of the hadith is the same, but no mention is made of this: “The people hastened and they boiled (flesh) in the earthen pots. He (the Holy Prophet), commanded and these were turned over and the narrator narrated the whole event.