The use of a defensive knife is the act of defending oneself against an assailant, or potential assailant by using a knife as a weapon. This knife can be used in close-quarters combat....

A knife is a cutting instrument, chopping tool, or kitchen utensil that has a blade connected to a handle. A good quality knife must have the ability to be sharpened and used for either....

The history of switchblades starts in 1891 when Scottish inventor John Inglis invented the switchblade knife. Though his invention was a novelty item, it wasn't until 1904 that the....