In emergency situations, it takes a lot of strength to lift a person and protect them at the same time. That is because firefighters save people with their two hands, making firefighters unable to protect rescued people and firefighters themselves from other dangerous factors. With Savior’s arm, firefighters can use their arms freely because after lift a person up, they can put rescued person in Savior's arm. Because firefighters can use their arms freely, they can handle with sudden dangerous factors. Also, rescued people feel more safely because Savior's arm protect them.
Caesar, came from Korea, always wanted to be a person like Leonardo da Vinci. He loved to watch nature stuffs around him, just like da Vinci did. Before he study design, he used to see and read nature science related books, like anatomy, bioengineering. After he started to study design, this things become one of his main strength, his plentiful knowledges. Therefore even his concept designs look possible because all his works are based on those verified knowledge and facts.