The first samurai swords we're actually straight bladed, single edged weapons imported from Korea and China called chokuto, which were later substituted with the curved blade variety at the conclusion of the 8th Century. The name of the curved blade swords which replaced them was Tachi. The reason behind this variation was samurai discovered that a curved sword could be sucked from the scabbard more swiftly and provided a far more effective cutting angle.
The purpose of a samurai sword is known as Kissaki. Here is the hardest part of the sword to shine and forge also to hand create a quality one would require an exceptionally skilful artisan. Value of a sword is determined largely by the grade 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 would give names with their swords since they believe in the sword lived their warrior spirit.
There are three main forms of samurai sword. 1: Katana: The longest type of sword, over 24inches, generally useful for outdoor combat. 2: Wakizashi: Around a third shorter than the Katana at between 12 and 24 inches, it was worn in indoor establishments by samurai for the obvious better manouverability indoors. 3: Tanto: A tiny knife utilized in much the same manner being a Wakizashi.
As part of the samurai sword making process a sword tester took the new blade and cut through the bodies of corpses or condemned criminals. They started by cutting through the small bones of the body and increased for the large bones. Test outcome was often recorded on the nakago (the metal piece attaching the sword blade towards the handle).
Shogun may be the name of the very powerful samurai, and they would wear two samurai swords. A Katana along with a Wakizashi. They had a license to dismember anybody who offended them.