A hidden blade knife is a knife that is concealed inside of another object - generally clothing. It was common for both men and women in the 17th century to have hidden...
Knives with hidden blades are multi-tools commonly used for self-defense and utility. They are pocket-sized and have a blade enclosed within the handle.
Knives are probably one of the most helpful tools in existence, but their history reveals an often turbulent story. The first knife was used by Neanderthals to kill anim...