Secret Techniques of the Ninja Knife Throwers

A knife is the first weapon given to a Ninja. He or she learns Tanto-jitsu, knife art. As well as becoming an expert in hand-to-hand combat, a Ninja learns to throw knives, as well as many other objects. But some knives are designed specifically for throwing. With such specialty knives, the Ninja knife throwing expert is particularly dangerous. Normally, a Ninja carries four such throwing knives as well as a combat knife which could be thrown if necessary.

Ninja throw knives, primarily, to achieve three goals: To distract. To wound. To kill. With practice and hard work, a Ninja can learn to accomplish all three of these goals, but the last purpose is difficult to achieve, and requires the utmost skill and dedication. This book was developed for practicing Ninja who wish to round out their training. Only western style throwing weapons are covered.

For information on oriental throwing devices, a serious Ninja should obtain a coy of Throwing the Ninja Star of Death, the companion edition to this book, which was also written by Michael E. Peters and published by Butokukai. To obtain throwing knives, look through the pages of any martial arts magazines and you can usually find a supplier. Knives may also be found in surplus shops, at gun shows and at flea markets

Above photo shows a number of throwing knife designs.) How many throwing knives should a Ninja own?

For effective practice, a Ninja should own at least a  dozen knives of the same kind. That is a minimum number. If  they cannot be acquired all at once, they should be purchased a few at a time over a short period. Twenty or  two dozen knives would be more advantageous for the Ninja  who can afford them. This will cover any knives which are damaged, lost, etc. Throwing knives are relatively easy to maintain. They should be kept clean, dry and rust free.  Some throwing knives do not have to be sharpened. Others can be sharpened with a mill-bastard file. Still others require the use of an oil stone. Take the appropriate  sharpening measures, depending upon which type of throwing knives are owned. Throwing knives are difficult to destroy under normal use. If they become bent, they can be hammered or bent flat once more. On the rare occasion that a throwing knife does break, it should be thrown away and replaced.

Another important factor to consider is design. A Ninja may wish to own more than one type of throwing knife. Many of the current designs throw well, with practice, but the most important factors with regard to throwing knives are:

Length, Weight  and Balance

Length is the first crucial factor. For a throwing knife to have good flight characteristics,  power and penetration, it must be at least nine and no more than sixteen inches in length. A knife any shorter than nine inches will often result in poor penetration; any length beyond sixteen inches will cause the knife to be awkward and difficult to throw. Smaller throwing knives may be used as distractions, but they seldom cause serious wounds, and they are virtually nonlethal. The weight of a throwing knife is also important. Among trained knife throwers, a well known approximate ratio of one inch to the ounce is standard knowledge. Therefore, a nine-inch throwing knife should weigh approximately nine ounces, and a sixteen-inch throwing knife should weigh approximately sixteen ounces. If a knife is too light, it will have poor  flight characteristics and not enough hitting power.If a

knife is too heavy, it is difficult to throw, has a shorter range and is slow.

An old Ninja maxim states that, “A thrown knife should not fly like a feather or a rock, but like the beak of a hawk.” Last but not least, balance is another important factor determined by a throwing knife’s design. It is inherently related to the other two factors. The finest and most versatile throwing knives can be thrown either by the handle or by the blade. They are balanced exactly in the center of the knife. Test this by balancing the knife on the end of one finger to find its center of  gravity.

Other knives are meant to be thrown by holding the handle. These knives have blade ends which are heavier than the ends of the handles. The balancing point will often be found approximately in the center of the knife or up to one inch toward the handle. Such knives require round numbers of spins in order to hit a target point first. Thus a knife thrown by the handle must make one, two, three-up to five or six complete revolutions in order to strike home.

Any increment of half revolutions will not strike the  target point first. If this is not clear at this point, the matter will be explained in the section on throwing  mthods. Still other throwing knives are designed to be

thrown by holding the blade. Such knives have lighter blades and heavier handles. The blade’s center of gravity will be found anywhere from approximate center up to a inch toward the point of the blade. These knives must be thrown in half increment rotations. Therefore, in order to land point first, knives thrown by holding the blade must make anywhere from l/2 up to 5% and 6% revolutions in order to hit home. The universal throwing knife is the most versatile and easiest knife to begin training with.

Handle-thrown knives are the second best. Blade-thrown  knives are slightly more difficult to master for beginners. Other facts about throwing knives. Do not be surprised if throwing knives do not resemble regular combat knives.

Many throwing knives are flat and do not have regular wood or plastic handles. They can be used in  hand-to-hand combat, but that is not their primary function. A note on throwing ordinary knives and  miscellaneous objects: Any knife (or any object which can be picked up) can be thrown effectively, once a Ninja understands both how an object is balanced, and the basics of throwing: judging distance, throwing methods and

rotations. This includes knives and objects not specifically designed for throwing: hunting knives, kitchen knives, and even items seldom considered to have potential as weapons, such as ice picks, scissors and screwdrivers.

Once the basics of knife throwing contained in this book are learned, a Ninja can apply those same principles to throwing almost anything. The general rule of thumb is to find the center of balance of an object, and understand how it flies. For example, a screwdriver can be treated like a knife. If the handle is heavier, throw the object by the blade, using full rotations. If the blade is heavier, throw it by the handle, using half rotations. Practice with such irregular items on large cardboard boxes. It will be surprising just how many “household” items can be transformed into deadly throwing weapons in the hands of a Ninja who has mastered the art of throwing.

But be careful; items not designed to be thrown may be damaged or ruined by  such practice and training. It is often enough just to know that the principles of Ninja knife throwing can be applied to other objects as well. One other caution remains to be explained. Knife throwing is a difficult skill to learn which requires dedication, determination and constant  practice. Study the following throwing and training methods and practice them consistently. But once in combat, never  throw a knife or other weapon unless there is a good chance of distracting, wounding, or slaying one’s opponent. A knife which misses and does not affect an opponent results

A knife is the first weapon given to a Ninja. He or she learns Tanto-jitsu, knife art. As well as becoming an expert in hand-to-hand combat, a Ninja learns to throw knives, as well as many other objects. But some knives are designed specifically for throwing. With such specialty knives, the Ninja knife throwing expert is particularly dangerous. Normally, a Ninja carries four such throwing knives as well as a combat knife which could be thrown if necessary. Ninja throw knives, primarily, to achieve three goals: To distract. To wound. To kill. With practice and hard work, a Ninja can learn to accomplish all three of these goals, but the last purpose is difficult to achieve, and requires the utmost skill and dedication. This book was developed for practicing Ninja who wish to round out their training.

Only western style throwing weapons are covered. For information on oriental throwing devices, a serious Ninja should obtain a copy of Throwing the Ninja Star of Death, the companion edition to this book, which was also written by Michael E. Peters and published by Butokukai.
To obtain throwing knives, look through the pages of any martial arts magazines and you can usually find a supplier. Knives may also be found in surplus shops, at gun shows and at flea markets. (Photo 1.1 shows a number of throwing knife designs.) How many throwing knives should a Ninja own? For effective practice, a Ninja should own at least a dozen knives of the same kind. That is a minimum number. If they cannot be acquired all at once, they should be purchased a few at a time over a short period. Twenty or two dozen knives would be more advantageous for the Ninja who can afford them. This will cover any knives which are damaged, lost, etc. Throwing knives are relatively easy to maintain. They should be kept clean, dry and rust free. Some throwing knives do not have to be sharpened. Others can be sharpened with a mill-bastard file. Still others require the use of an oil stone. Take the appropriate sharpening measures, depending upon which type of throwing knives are owned. Throwing knives are difficult to destroy under normal use. If they become bent, they can be hammered or bent flat once more. On the rare occasion that a throwing knife does break, it should be thrown away and replaced.

Another important factor to consider is design. A Ninja may wish to own more than one type of throwing knife. Many of the current designs throw well, with practice, but the most important factors with regard to throwing knives are: Length Weight Balance Length is the first crucial factor. For a throwing knife to have good flight characteristics, power and penetration, it must be at least nine and no more than sixteen inches in length. A knife any shorter than nine inches will often result in poor penetration; any length beyond sixteen inches will cause the knife to be awkward and difficult to throw.

Smaller throwing knives may be used as distractions, but they seldom cause serious wounds, and they are virtually nonlethal. The weight of a throwing knife is also important. Among trained knife throwers, a well known approximate ratio of one inch to the ounce is standard knowledge. Therefore, a nine-inch throwing knife should weigh approximately nine ounces, and a sixteen-inch throwing knife should weigh approximately sixteen ounces. If a knife is too light, it will have poor flight characteristics and not enough hitting power.If a knife is too heavy, it is difficult to throw, has a shorter range and is slow. An old Ninja maxim states that, “A thrown knife should not fly like a feather or a rock, but like the beak of a hawk.” Last but not least, balance is another important factor determined by a throwing knife’s design. It is inherently related to the other two factors. The finest and most versatile throwing knives can be thrown either by the handle or by the blade. They are balanced exactly in the center of the knife. Test this by balancing the knife on the end of one finger to find its center of gravity. Other knives are meant to be thrown by holding the handle. These knives have blade ends which are heavier than the ends of the handles.

The balancing point will often be found approximately in the center of the knife or up to one inch toward the handle. Such knives require round numbers of spins in order to hit a target point first. Thus a knife thrown by the handle must make one, two, three-up to five or six complete revolutions in order to strike home. Any increment of half revolutions will not strike the target point first. If this is not clear at this point, the matter will be explained in the section on throwing methods. Still other throwing knives are designed to be thrown by holding the blade. Such knives have lighter blades and heavier handles. The blade’s center of gravity will be found anywhere from approximate center up to a inch toward the point of the blade. These knives must be thrown in half increment rotations. Therefore, in order to land point first, knives thrown by holding the blade must make anywhere from l/2 up to 5% and 6% revolutions in order to hit home.

The universal throwing knife is the most versatile and easiest knife to begin training with. Handle-thrown knives are the second best. Blade-thrown knives are slightly more difficult to master for beginners. Other facts about throwing knives. Do not be surprised if throwing knives do not resemble regular combat knives. Many throwing knives are flat and do not have regular wood or plastic handles. They can be used in hand-to-hand combat, but that is not their primary function. A note on throwing ordinary knives and miscellaneous objects: Any knife (or any object which can be picked up) can be thrown effectively, once a Ninja understands both how an object is balanced, and the basics of throwing: judging distance, throwing methods and rotations.

This includes knives and objects not specifically designed for throwing: hunting knives, kitchen knives, and even items seldom considered to have potential as weapons, such as ice picks, scissors and screwdrivers. Once the basics of knife throwing contained in this book are learned, a Ninja can apply those same principles to throwing almost anything. The general rule of thumb is to find the center of balance of an object, and understand how it flies. For example, a screwdriver can be treated like a knife. If the handle is heavier, throw the object by the blade, using full rotations.

If the blade is heavier, throw it by the handle, using half rotations. Practice with such irregular items on large cardboard boxes. It will be surprising just how many “household” items can be transformed into deadly throwing weapons in the hands of a Ninja who has mastered the art of throwing. But be careful; items not designed to be thrown may be damaged or ruined by such practice and training. It is often enough just to know that the principles of Ninja knife throwing can be applied to other objects as well. One other caution remains to be explained. Knife throwing is a difficult skill to learn which requires dedication, determination and constant practice. Study the following throwing and training methods and practice them consistently. But once in combat, never throw a knife or other weapon unless there is a good chance of distracting, wounding, or slaying one’s opponent. A knife which misses and does not affect an opponent results in wasted effort.

And it may even supply one’s enemy with a weapon he did not have before.

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