Knife is a very dangerous tool. If it is not handle with care, one will cut oneself or might put someone's life in danger especially small children. I am very scared when the knife is super sharp & nearly always lost my heart whenever I see people handle it carelessly. But then, I saw this safety utility knife on the net and I think that it is very cool. It is a must have for faint hearted people like me and also for family with alot of young children & old people. This smart knife really give you all the safety feature one needs in preventing cut.