I have had quite a few enquiries about my shuriken, what I use, what they look like, how they were made, and how can people make their own, so I include here for reference the ones I have and/or presently train with, and a bit of information on manufacturing them..
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Hira
shuriken, or shaken, Click image
image2 for larger view These were my first ever shuriken, given to me in 1982 by an old friend "Scriv" who was a keen weapons enthusiast. He made them himself in metal shop at college, to, according to him, authentic dimensions. They are just 3mm coated plate steel with the 4 pointed star pattern scribed from a template then cut out. The circular holes were then drilled with a 13mm bit, then the triangular heads ground and polished to an edge. The silver one feels really nice and I use it more often than the others, so it is more worn. |
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Bo
shuriken of the Negishi Ryu Click image
for larger view These were given to me by Mic Marelli Sensei, one of my Aikido teachers of many years, and a shuriken practitioner himself. These were professionally made on a lathe in a metal shop, to the exact size and dimensions of a set of Negishi Ryu shuriken given to him by the late headmaster of our style of Aikido, Morihiro Saito Sensei. Saito Sensei was an expert in the Negishi Ryu, who continued training until late in life, and by all accounts was a formidable exponent of the art. |
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Negishi Ryu shuriken shown above, but with handles wrapped in twine, as
is normally done, to provide friction against the fingers as the blade is released
from the hand. This has the action of retarding the blade's natural tendency to
turn in flight, thus allowing the direct hit method of throwing to fly over gresater
distances without turning. Another method of providing a friction surface was
to soak paper in lacquer and wrap the shank of the blade with several thickness
of material. It is mistakenly believed that these two methods are employed to adjust the balance of the blade for throwing either short or long distances, but this is not the case, as it was the manufacture of the blade itself that decided whether it would be for throwing shorter or longer distances. Click here for a larger view I rewrapped them in jute twine, a rougher and courser material which creates good friction in the fingers for the throw. Click here |
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Bo
shuriken of the Shirai Ryu Click image
for larger view These I made myself a few years ago, modelled on a Bo shuriken given to me in 1990 by Ryo-kun, a Japanese working-holidayer who was working with me at my teachers company. It's 6mm rod steel cut to 16cm lengths, tip ground and end rounded by stone. I tried heat treating the tip, but it didn't get any harder - I think I needed a much higher temperature than what I was producing. Currently researching good heat-hardening methods. |
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Bo
shuriken of the Ikku Ryu Click image
for larger view This is a protoype of the double tipped Bo shuriken devised by Shirakami Eizo, the author of the shuriken book mentioned at length on this site. It's 20cm in length, ground down from an 8 inch railway sleeper nail, given to me years ago by my friend Scriv. Where he got the nails, I don't know, but the metal is very hard and heavy, and difficult to work with. I have 6 of these nails in various stages of completion. This one is the most complete, but I still feel it needs work, its too heavy and bulky, but it goes through just about everything I throw at... |
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Authentic
Japanese Bo shuriken of the Chishin Ryu View
large Yet to be officially appraised as true historic pieces, this and the following 2 shuriken appear to be authentic, handmade blades made from the heavy, black tamahagane, or Japanese traditionally smelted metal. They were generously given to me by Robert Gruzanski, whose late father, Charles, had as a student, obtained these from his teachers, Masaaki Hatsumi Sensei and Yumio Nawa Sensei, both famous collectors and proponents of the shuriken arts. All 3 blades exhibit very interesting and unusual surface markings, suggesting their authentic origin. I offer my own detailed description of these 3 blades in a personal review here |
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Authentic
Japanese Bo shuriken of the Ikku Ryu View
large As I mentioned elsewhere, Ikku Ryu is a 20th Century name coined by Mr Shirakami for his style of shuriken art, however, there are examples of double pointed blades that appear to predate Mr Shirakami, so this needs some research. This blade is 18.5cm long and 8mm thick. |
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Authentic
Japanese Bo shuriken of Shirai Ryu View
large This blade has a square cross section, unlike the circular section characteristic of this school, however square ones were common, it is just dependent upon the material origin, round were from needles, square from nails.This example is 21 cms long, which is at the upper end of the range that Shirai Ryu blades are found in |
![]() | Modern
Day Bo Shuriken of Meifu Shinkage Ryu
View large A generous gift from the current headmaster of Meifu Shinkage Ryu, Yasuyuki Otsuka Sensei, this set of 5 bo shuriken is the standard package that new students acquire when commencing training. Note the Meifu Shinkage stamp on the paper packaging. These are 15.1cm long, 6mm thick, with a very sharp, 26mm tip. It appears that the tip end has been heat hardened before filing to a point, note the darkened area below the tip. The Japanese must know their heat hardening, because these blades have still retained their tip, even when thrown into timber targets. |
![]() | Authentic
Katori Shinto Ryu Bo Shuriken View
large Also a gift of Otsuka Sensei, this appears to be a relatively modern handmade blade, using industrially produced metal stock. The butt is gently rounded and squared off, the lengthwise edges have a very slight 45 deg. bevel to remove the sharpness, and there is a slight increase in the angle of the taper in the last 7mm of the tip. Overall length 16.2cm, thickness at its widest point: 7mm. This blade has a very nice, comfortable feel about it, and throws very well. |
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Modern
shaken from Japan Click image
for larger view
An example of the type of shaken available today in Japan. Very nice, clean, with a dragon symbol embossed on one side. This was given to me by Chihiro Negishi san as more of a symbolic gift than one for use. I am not sure how authentic its design and dimensions are compared to traditional shaken, but very cool nonetheless. |
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Custom
made shuriken from a smith in the US. Jeff
Adams Ovoid Thrower |
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Jeff
Adams "Chishin Ryu type" Bo shuriken
These 12.5cm blades with 8mm diameter, and hexagonal section are very difficult blades to throw. They are thrown in the Negishi Ryu style, chokuda-ho method (direct hit), and Jeff states that he can throw these successfully at 30ft (10m), but I cannot get them to fly properly or stick in target at all. I can get them to stick when thrown in the turning hit method, but I believe this blade type was not designed for the turning hit. View large |
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Jeff
Adams "Shirai Ryu type" Bo shuriken
These are 18cm blades, 6mm square in thickness. The 25mm taper is slightly convex curved, to strengthen the tip. It is a good, solid, relatively heavy blade that flies very well in both Shirai Ryu and Negishi Ryu styles. These are my main practice blades at the moment (My son Adrian has commandeered for himself the ones Otsuka Sensei gave me) View large |
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Jeff
Adams "Tsugawa Ryu type" Teppan shuriken
This blade is only 16cms in length, and therefore a bit shorter than the traditional Tsugawa Ryu blade length of 19cms. Proportionately it appears to have the correct dimensions, so I would hazard a guess that Jeff was working off a photo to produce these, and was not able to accurately judge the scale of the photographed blade. I am not sure how this blade is thrown - I do not have much success with it, but I imagine it is thrown in a similar fashion (knife grip??) to the ovoid blade. View large. |
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Jeff
Adams Negishi Ryu blades (View large)
Very nice, clean and simple lines, these 3 are not quite identical. The lower blade to the rear has a square cross section, the other two hexagonal. The blade resting in top has the octagonal sides following through the entire length of the blade, whereas the lower forward blade has an offset hexagonal profile on the tip, thus giving a more factted appearance. These blades are 12.5cms long and 10mm thick at the widest point, again, a bit short and thin for my liking; traditional blades are around the 17-18cm mark. These blades have a taper narrowing to the rear, which means they are better suited to attaching the tuft of pigskin and hair into a tassel shape, as opposed to wrapping in twine as with the examples above. |
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Jeff
Adams Phurba Prototype (View large)
This blade is an experiment of Jeff's, with design elements taken from the Tibetan ritual daggers called 'Phurbas", which he collects. The 4 indented rings along the shaft provide very good friction against the fingers, enabling a reasonable direct hit method throw. The blade is only 12.5cms in length, a bit short for my liking, but Jeff finds the shorter blades easier to throw. This example has 10mm thickness, with circular cross section, and ground to a square, 4 sided point. |
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Jeff
Adams Rope Dart (View large)
I didn't really know what this blade was until I recently saw the DVD of the Martial Arts demonstration at Meiji Shrine in Japan in November 2004. It is attached to a thin rope of about 12-18 feet in length, and swung like a lasso, both horizontally above the head, and vertically beside the body. When the speed of the swing increases, the rope is let go and the blade shoots forward in whatever direction one chooses, and the rope prevents the blade from escaping the control of the person swinging it. The blade is sharpened to three edges, thus giving it cutting ability at any point of contact in the swing, as well as piercing ability. An awesome weapon when used skillfully! The weapons is known as a "Chinese Rope Dart", but it appears its usage has been introduced into Japanese Martial Arts as well. Not sure of the Japanese name. This example is 10cms long, 11mm thick, with a hexagonal cross section, and triangular blade tip. |
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Jeff
Adams Ovoid Thrower Set
(View large) The example in the pic has not yet been lightly sanded with oil, so the Parkerised finish is still fresh. |
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Jeff
Adams Shirai Ryu bo shuriken set (View
large)
These blades are the same as the Shirai Ryu type above, except the tapered tips are straight, rather than curved. For the pouch I adapted a mini Maglite belt pouch. This makes it safe and comfortable to wear inside the clothing without piercing yourself. |
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Bo
Shuriken by Hozan Suzuki
of
Mumyouan Made from 8mm hexagonal stock steel, tips machine lathed to a long taper. Black twine has been wrapped around the tails, and two have also a leather sheath tightly wrapped and glued with a resinous lacquer made from the Japanese Urushi plant. The lower one has a brass casing wrapped around the tail, each example providing both weight and a frictionable surface that aids in retarding the spin as the blades leave the hand. Very nice blades. They feel right, and they fly well. The shorter blade is 17cms long, the other 3 are 21cms. (View large) |
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Mumyou
Ryu Heavy Weighted Bo Shuriken by Hozan Suzuki These blades are specially designed by Hozan to be suited to the beginning student of shuriken jutsu. The butt-end is hollow drilled to affect the weight balance. They are indeed easy to throw. My first throw with this at 3+ metres, was a perfect direct hit that flew straight and true. Subsequent throws at greater distances were just as easy. I am very impressed with these. The only downside is these are big and heavy blades; they are 21cm long, 12mm thick and weight 160gm...difficult to carry many in concealment, but for practice these are ideal. Hozan believes that a larger and heavier blade makes it easier for the beginner to learn the difficult "direct hit" method, and I find myself in agreement. More info here Mumyouan.com |