The initial samurai swords we're actually straight bladed, single edged weapons imported from Korea and China referred to as chokuto, which are later substituted for the curved blade variety after the 8th Century. The specific curved blade swords which replaced them was Tachi. The reason for this variation was samurai discovered that a curved sword could be utilized by the scabbard more swiftly and provided an even more effective cutting angle.
The aim of a samurai sword is called a Kissaki. This is the most challenging part of the sword to polish and forge and to hand produce a quality one could require an exceptionally skilful artisan. The value of a sword is decided largely by the caliber of the point.
Samurai would use wooden swords (Bokken) for practice for safety reasons and then for preserving their real swords from unnecessary damage.
The samurai gives names for their swords as they rely on the sword lived their warrior spirit.
There are three main forms of samurai sword. 1: Katana: The longest form of sword, over 24inches, generally used for outdoor combat. 2: Wakizashi: Around one third shorter compared to the Katana at between 12 and 24 inches, it was worn in indoor establishments by samurai because of its obvious better manouverability indoors. 3: Tanto: A little knife found in much the same manner like a Wakizashi.
Within the samurai sword making process a sword tester took the brand new blade and cut through the bodies of corpses or condemned criminals. They started by cutting with the small bones with the body and moved up for the large bones. Test results were often upon the nakago (the metal piece attaching the sword blade to the handle).