Be a person with a weak sense of security. I often feel very timid when I am alone. For more security, I want to invent a magic thing that can protect like me.
It's a thing that can discharge electricity on people. When someone or other unknown creature approaches you and makes you feel dangerous. You can shout specific slogans. Then that little thing will generate huge power around you. But he won't call you,it will only make people around you faint temporarily and give you time to escape.
If this invention can be invented. Will protect the lives of many people get not hurt. It's really useful!
