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The different blade shapes
Straight back blade
One of the most common blade shapes in the world.
It's point is at the same level as the back of the blade giving it a perfect geometry and strength for piercing anything.
Drop-point blade / Bourbonnaise blade
Knife with a teardrop shaped tip.
It has a finer point than the flat back knife
This blade shape has a great versatility and is very appreciated in bushcraft.
Double-edged drop-point blade
Blade with an edge on both sides, ideal for personal defense. The point of this kind of blade is formidable.
Bowie shaped blade, the fine point allows to drill easily and to cut without problem in cramped and difficult to access places. This blade shape is therefore appreciated by hunters and fishermen.
This blade looks like a drop point blade but is more slender, the point is more aggressive.
If we look at the contours of the blade, it is almost symmetrical.
Sasha Krauser Blade point / SK Point or Krauser point
Hybrid between a spear point blade for the cutting edge and a tanto on the back of the blade.
Western adaptation of the Japanese katana shape (the samurai weapon).
This form of blade has an extremely strong point while keeping a razor sharp edge.
A Recurve blade has a concave (hollow) beginning of the edge which allows to better grip the material during a cut, geometrically this lengthens very slightly the length of the edge but it is more difficult to sharpen for someone who don't know. The tip usually ends in a spear or drop point.
This blade extremely easy to sharpen, it also has an extremely sharp but fragile point.
It is a knife for combat and/or personal defense with a curved blade reminiscent of a tiger's claws and a ring to improve retention / grip of the knife under stress.
It has the sharpest point of all other forms of knives.
IIt's a knife that can be used as a combat knife thanks to its retention ring and as a utility knife thanks to its spear-point blade.
Another big advantage: it is much easier to sharpen than a traditional karambit.
Same as the karambit spear-point, this version with a tanto tip will give it more robustness for perforations on the hardest materials in extreme conditions.
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