mountain rescue vest / product design

A lot of mountain accidents happens. Most of them are the fractures and hear failure. It's very difficult for rescue workers to take the injured to the foot of the mountain when the helicopter is not available for saving the injured. This is a vest to lift the injured easily and to save the injured fast by the height adjustment in rugged mountainous terrain during mountain rescue. After wearing the vest linking with the existing stretcher, it can save the injured by taking the injured to the foot of the mountain by the height adjustment.