Firm pressure is applied at the base of the skull, along with a sharp pinching and twisting of the thumb and forefinger. At the same time, the tail is pulled backward. This severs the spinal cord at the base of the brain or within the cervical spine area (the upper third of the neck). According to the Canadian Council on Animal Care (CCAC),<unk>  is normally only conducted on small animals.
Cervical dislocation
Cervical fracture
Atlanto-occipital dislocation
Spinal fracture
Rectus sheath hematoma
Coccyx fracture
Skull fracture
Hyoid bone fracture