The navaja is a traditional Spanish folding-blade fighting and utility knife.
One of the oldest folding knife patterns still in production, the first true navajas originated in the Andalusian region of southern Spain. In Spain, the term navaja is often used to generally describe all folding-blade knives.
The etymology of the word navaja is derived from the Latin novacula, meaning razor, and the Andalusian knife known as the navaja is thought to have derived from the navaja de afeitar, or straight razor used for shaving. Like the straight razor, the navaja's blade folds into the handle when not in use. A popular slang term for the navaja in the 19th century was herramienta, which translates as "(iron) tool".
While folding-blade knives existed in Spain even in pre-Roman times, the earliest Spanish knives recognizable as navajas date from around the late 1600s. The rise in popularity of the navaja occurred at a time of increased restrictions upon the wearing of swords and other bladed weapons by persons outside the Spanish nobility. Like the navaja de afeitar, the earliest navajas worked on the principle of the simple peasant's knife, with no backspring to hold the blade in place once opened. These early navajas were primarily designed as utility or work knives, and could easily be carried either openly or concealed on one's person. One of the more common early varieties of this type of knife was the navaja cortaplumas, used by clerical workers, draftsmen, and notaries to sharpen ink quill tips.
On the streets they're after me,
won't let me go, won't let me be.
This opression is screwing my head,
if I ain't careful I'll end up dead.
I'm living my life ..
.. I'm living my life on the edge of a knife.
Loving her was the mistake I made,
defending her honour with a steel blade.
Three on to one just isn't fair ..
but now they're in intensive care.
So now I'm running all over the world,
all because of a stupid girl.
But I've gotta carry on, I've gotta be brave,