BOOM! Necklace - Anti-stampede protection air bag

Children more likely to be killed or injured in stampede accident. BOOM! Necklace is a self-prevention device for children in the event of a stampede accident. It protects the child's chest cavity by expanding the U-shaped airbag, thus reducing the risk of crush asphyxiation. Children can simply twist the knob to turn the lanyard into an airbag, and it can be used quickly without the need to put it on again.The airbag makes it enjoyable for children to wear when there is no crisis.