The Knife

Like the spoon, the knife is not defined as an inventor is a tool that comes from the time of cavemen, no one has patented the invention of the knife. The first knives were made ​​of stone and have evolved so that they have used for the wars, the combat like swords or knives, and as a servile utensil in the kitchen, either to cut fruits or meat. Handles or grips are made so that the hand grip so balanced, it makes the shape of the hand, and are made either of plastic or wood.

The knife is defined as any steel cutting blade, pointed end and sharp one or two sides, as I said, was created to be a kitchen utensil or a weapon from the stone age.