1
It surround the neck
of the victim from the front, with the central area of the device body under the chin.
2
Next
the ends of the device are placed in the front of the accident victim.
3
The ends
of the device are then brought around to the back of the neck.
4
Both ends
of the device are crossed from behind and the ends passed under the armpits, resting on both clavicles from front to back.
5
From behind
the ends are pulled to extract and drag the injured person to an area where treatment may be performed.
