Emergency Escape / Escape slide

When the building is on fire and people need to escape, the emergency strap plays the role of evacuating people safely from that place. However, there are only few who knows how to use the emergency strap. Even though those who may know it, the time that would take for setting up the emergency strap in case of emergency and using emergency strap during the escape should be stable, but was found to be unstable especially for young children,elders, the handicapped, and etc. The difficulties of using emergency strap is current situation.