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Sharpness refers to the ability of a blade, point, or cutting implement to cut through materials with minimal force, and can more specifically be defined as the capacity of a surface to initiate the cut. [1] Sharpness depends on factors such as the edge angle, edge width, and the fineness of the cutting edge, and is aided by material hardness.
The difficulty of cuts is a combination of the target material hardness, the direction of the grain of the target (if any), the quality of the sword, the angle of the blade (刃筋; hasuji) on impact, and the angle of the swing of the sword (太刀筋; tachisuji).
A blade's sharpness may be tested by checking if it "bites"—begins to cut by being drawn across an object without pressure. Specialized sticks exist to check bite, though one can also use a soft ballpoint pen, such as the common white Bic Stic. A thumbnail may be used [6] at the risk of a cut, or the edge of a sheet of paper. For kitchen ...
It was renowned for supernatural sharpness and hardness, as well as for being imbued with the spirits of the king's twelve faithful berserker bodyguards. The Sword of Surtr – The weapon the fire giant Surtr wields in the battle of Ragnarok. The Prose Edda calls it a flaming sword, although in the Poetic Edda merely it is described only as a ...
On the command of execution : "Sword" Draw the sword smartly, raising the right arm to its full extent, directly to the front at an angle of about 45 degrees, the sword in a straight line with the arm, true edge down; drop the left hand to the side. Pause for one count.
A sword belt is a belt with an attachment for the sword's scabbard, used to carry it when not in use. It is usually fixed to the scabbard of the sword, providing a fast means of drawing the sword in battle. Examples of sword belts include the Balteus used by the Roman legionary. [108]
China accused the United States of a “serious regression” in its position on Taiwan, after the State Department updated the Taiwan section of its website.
A hand-held tungsten carbide knife sharpener, with a finger guard, can be used for sharpening plain and serrated edges on pocket knives and multi-tools.. Sharpening is the process of creating or refining a blade, the edge joining two non-coplanar faces into a converging apex, thereby creating an edge of appropriate shape on a tool or implement designed for cutting.