He is to bring them to the priest, who shall first present the one for the sin offering. He is to twist its head at the front of its neck without severing it;
KJV
And he shall bring them unto the priest, who shall offer [that] which [is] for the sin offering first, and wring off his head from his neck, but shall not divide [it] asunder:
ASV
And he shall bring them unto the priest, who shall offer that which is for the sin-offering first, and wring off its head from its neck, but shall not divide it asunder: