A blood sacrifice is needed to establish a covenant. “The covenant parties then passed between the halves indicating that they were irrevocably bound together in blood. The cutting in halves of the sacrifice spoke of the end of existing lives for the sake of establishing a new bond or covenant. The sacred nature of this bond was attested to by the shedding of lifeblood. In this instance, only God passed between the pieces, indicating that it was His covenant and He would assume responsibility for