Yagyu Ryu Bokken - Exotic Woods

Name: Yagyu Ryu Bokken - Exotic Woods
Brand: Seido
Price: 20000.0 JPY
Availability: InStock
Rating: 5.0 (2 reviews)

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¥20,000

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Weapon Engraving Services

Available fonts (style)	4 Japanese fonts, 3 English fonts
Depth	The stronger the laser, the deeper the engraving. Superficial is quite discreet, standard is deep enough to stand forever, deep can go up to 1 mm depth and creates a burning effect within the engraving.
Free transcriptions	You can write your name in English and select a "Japanese" font, in which case we will take care of the transcription. Note that several translations exist for the same name and that we cannot accept claims. (Please use the text field to add a comment if the pronunciation is unusual. If you already have a translation, please attach a picture). We do not translate expressions, only names or words. Requests for expressions translations will be ignored and refunded.
Limitations	We engrave in Japanese and English only (no Chinese, Korean, etc.) For any special request (logo/design), contact us prior to your order. (Undiscussed demands will be ignored).
More information	Embroidery workshop & Japanese free translation (on site), Transcription usages (Seido Blog), and the engraving workshop presentation (Youtube)

Bokken & Shoto Laser Engraving - N°1

¥800 ~ ¥3,700

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¥800

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Service details

Position: Right or left (when held) | handle, near Tsuba or blade

Letter size: standard (~7.5 mm), big (~10 mm), extra big (~12 mm)

Up to 3 engravings can be added per Bokken/Shoto.

Bokken & Shoto Laser Engraving - N°2

¥800 ~ ¥3,700

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¥800

Prices vary depending on selected options.

Word Count

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font

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Engraving Content

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Other instructions (if any)

Service details

Position: Right or left (when held) | handle, near Tsuba or blade

Letter size: standard (~7.5 mm), big (~10 mm), extra big (~12 mm)

Up to 3 engravings can be added per Bokken/Shoto.

Bokken & Shoto Laser Engraving - N°3

¥800 ~ ¥3,700

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Made on site | Production: ~ | No Exchanges/Refunds
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¥800

Prices and production time vary depending on selected options.

Word Count

Letter Size

Position

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font

Laser engraving Depth - Effect

Engraving Content

Please check the selected 'word count' matches the content entered. "" is considered as one word.

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Other instructions (if any)

Service details

Position: Right or left (when held) | handle, near Tsuba or blade

Letter size: standard (~7.5 mm), big (~10 mm), extra big (~12 mm)

Up to 3 engravings can be added per Bokken/Shoto.

Yagyu Ryu Bokken - Sunuke or Tsubaki

Made in Japan (Kyushu)

Flat Spine | Flat butt | Small Kissaki

Sunuke or Tsubaki available

This Bokken is made from a single piece of Sunuke or Tsubaki (Camellia japonica) wood from the southern islands of Kyushu (Japan). Very pleasant to use and very popular among aikidoka. Its curve is almost identical to that of a conventional model, but thinner and a lot lighter.

Particularly oriented for practice in precision and finesse, this model is not designed to withstand shocks. Depending on the weight and strength desired, this model is available in either sunuke or tsubaki (camellia).

The sunuke model has a very characteristic brown color, it is relatively heavy and can support medium shocks. It will be recommended for practice in finesse, with a thin bokken that still retains a significant weight. The Sunuke model allows a slightly heavier bokken, while maintaining the interest of the working in finesse.

The Tsubaki (camellia) model is a light-colored model very pleasant to the touch and much lighter. It is one of the lightest bokken in our catalog. Camellia supports shocks relatively well, however, the thinness of this bokken will tend to make it weaker. It is recommend for finesse work without contact. The tsubaki model is an extremely light bokken, extremely difficult to control with precision.

This Bokken should be especially suited to practitioners of the 3A (Koyabayashi Hirokazu) school of Aikido as well as pupils of the late Tamura Shihan.

Choice of wood species: Sunuke or Tsubaki (camellia)
Available finish: unvarnished (camellia oil polish).
Manufacturing workshop: Nidome for all models

Non varnished - Oil polish option (+ 1,000 JPY):

All our high-end are offered unvarnished (polished with camellia oil) although they are much more pleasant to the touch as well as use with the latter.
Unvarnished weapons are more ecologically-friendly, but they requires regular (monthly) maintenance with oil (camellia or wood maintenance oil) and they can only be made from the finest woods of Japanese quality. Given the need for maintenance of these weapons, our stocks are limited. Also, since the craftsmen must select the best wood possible to manufacture these weapons, the processing time is longer than for varnished weapons. If out of stock or made to order, the shipping time can take up to 6 weeks in case of shortage.

**Yagyu Ryu Bokken Specifications**
Wood	Sunuke	Tsubaki
Weight	450 ~ 500 g	350 ~ 400 g
Full length	101.5 cm
Blade length	75.5 cm
Tsuka length	26 cm
Tsuka diameter	30 x 22 mm
Mine	Hiramine (flat spine)
Tsuka shape	Taira (flat butt)
Kissaki	Shokissaki (Small Kissaki)
Sori	Standard curvature

*Due to the hand-made manufacturing, color and weight may vary slightly from one weapon to another

About Yagyu Ryu style:

The Yagyu Kenjutsu school was founded in 16th century by Yagyu Tajima no kami Muneyoshi. However "Yagyu Ryu" does not refer to a particular school but generally groups of Yagyu Ryu schools. Indeed, the Yagyu samurai clan yielded many famous swordsmen who were responsible for the creation of many branches of the Yagyu school, incorporating some techniques known from other schools (including the Yagyu Shinkage Ryu regrouping techniques from Yagyu Ryu and Shinkage Ryu). This bokken is no longer used by any school in particular since all branches arising from the Yagyu family have their own model but it remains a popular model for many practitioners in various schools.

Information on How to Choose Your Bokken & Jo - Shape & Wood

As an expert in the manufacture of Aikido equipment, Seido is able to provide you with the technical details and measurements of all its models. You will find our elaborate advice on which model to choose.

The wooden weapons proposed by Seido are manufactured by one of the last four traditional workshop in the south of Japan, in the region of Miyakonojo (Kyushu), Horinouchi, Nidome, Matsuzaki and Aramaki. Seido is the only company in the world (including Japan) working with these 4 workshops simultaneously. Our weapons are selected according to the specialties of each workshop, the time of manufacture as well as the pricing. If you have got a preference for a particular workshop, please contact us for quotation.

Unlike for Dogi, Hakama, or Obi, the use of poor quality material to manufacture weapons can be dangerous and cause serious injury. Seido is very attentive to this and our weapons are not selected for the look of the wood, but on its quality.

The first thing to determine is your "type of practice". Will you seldom use your weapons? Do you practice weapons at each class? What type of Aikido do you practice?

Beginners and casual weapons practitioners will opt for a cheap and reliable material such as red oak, and a "classic" shape Bokken. If your practice involves important clashes between weapons, then you will turn instead to the more durable white oak. If you are looking for an original wood, then Isu no Ki is for you.

Sunuke, Carmelia, and Ebony woods are recommended for experienced practitioners wishing to acquire deluxe weapons, or for gifts.

The Weight of the Weapon - It depends on the shape and type of wood

Standard: Weapons
The classic Bokken or 24 mm Jo (8 BU) are the most widely used, both in Aikido, Kendo, and Iaido. The weapons have an average but reasonable weight, and are primarily intended for beginners and casual practitioners.

Light Weapons
Small weapons including "Yagyu Ryu" bokken, bokken made in buna, and jo made in Isu no Ki are specifically designed for working on accuracy and speed. This type of weapons is used in aikido schools who follow the teachings of Hirokazu Kobayashi Sensei, Nobuyoshi Tamura Sensei, or in schools close to the Yagyu style of kenjutsu. These weapons are also often recommended to women, children, as well as to practitioners who suffer from shoulder pain.

Heavy Weapons
Heavy weapons including Iwama Ryu and Keishi Ryu Bokken, 27 and 30 mm Jo, or weapons made of sunuke and ebony are used for "tanren" (reinforcement) work. These bokken may also be used to practice suburi. They allow work to develop power and enhance grip. It is not recommended to start with this type of weapon given the physical constraints that they imposed.

The Varnished Finish or Oil Polish

Almost all weapons available on the market, including Japanese-made weapons, are coated with urethane. This protects the wood from changes in temperature and humidity and allows them to be kept for a long time without maintenance.

SeidoShop proposes unvarnished weapons because they are much more pleasant to the touch as well as use. An unvarnished Jo will tend to be more slippery with sweating hands, and hence easier to use than its varnished counterpart.
Unvarnished weapons are more ecologically-friendly, but they require regular (monthly) maintenance with oil (camellia or wood maintenance oil) and they can only be made from the finest woods that are only found in Japan.
Wood is a living material and therefore, each weapon can react very differently to the oil polishing process, resulting in significant color variations.
Given the maintenance needs of these weapons, our stocks are limited. Also, since the craftsmen must select the best wood possible to manufacture these weapons, the processing time is longer than for varnished weapons. If engraved, out of stock, or made to order, the shipping time can take up to 6 weeks.

More Information on Available Woods

Click on the "open" buttons to compare different woods.

Ichii Kashi (Standard Red Oak)

Ichii Kashi is a term used to refer to a red wood with characteristics that are so close to red oak that they are often confused, even in Japan. The Ichii Kashi remains an excellent wood since it is the choice for the "standard" Bokken used by the Japanese army (also manufactured by our craftsman). A little lighter than the Hon Akagashi, and almost as solid, this wood makes this Bokken / Jo perfect for beginners or for the Dojo. The standard model of our catalog is Ichii Kashi.

Hon Akagashi (Deluxe Red Oak)

Akagashi, the Japanese Red Oak (Quercus acutissima) is a tree that grows in southern Japan (Kyushu, Shikoku...). It requires moist soil and plenty of sunshine, since in addition to the tree species, the environment is a key factor in determining the quality of the wood. Unlike European oak, Japan oak floats in water, it is moderately hard and therefore, more resilient to shocks, making it an ideal wood for manufacturing Bokken. The red oak is also a bit lighter than the white. "Hon Akagashi" is called true red oak, as opposed to the standard akagashi (Ichii Kashi). Its color is darker than the Ichigashi (standard) and it is slightly stronger. It is also a rare wood that undergoes stricter selection.

Shirakashi (White Oak)

Shirakashi, the white Oak of Japan (Quercus acutissima), is a tree that grows in southern Japan (Kyushu, Shikoku). It requires moist soil and plenty of sunshine, since in addition to the tree species, the environment is a key factor in determining the quality of the wood. Unlike European oaks, Japan oak floats in water, it is moderately hard, and therefore, more resilient to shocks, making it an ideal wood for manufacturing Bokken. White oak is slightly heavier than red oak, slightly denser and therefore more resistant, it is the wood essence of choice for manufacturing excellence Bokken made for contacts. White oak used for the manufacture of our Bokken is rigorously selected for the position of the nodes and the quality of its fibers.

Isu No Ki (Distilium racemocum)

"Isu no ki" literally means "wood chair" and it takes its name from the fact that it has long been used in the manufacture of quality furniture. This wood is also traditionally used in the manufacture of talismans since legend ascribes it the power to bind people and things (musubi). It is a harder wood, and therefore slightly less resilient than oak, but more beautiful (near sunuke), softer, and therefore more pleasant to touch. The isu no ki is from the same tree as the sunuke but younger, or taken from other parts than the trunk. Isu no Ki color can vary significantly depending on the tree age from light pink to brown (Bokken, Jo & Tanto can present different colors, even when ordered as a set). Isu no Ki wood may present imperfections and is not suitable for heavy contact practice.

Sunuke (heart of Distilium racemocum)

The Sunuke (Hamamelidaceae) comes from 250 and 400 years old "Isu no ki" trees. Logging quotas established by the government of the archipelago on this tree make it a rare and precious wood. With its dark brown color, Sunuke is a very dense and heavy wood, it sustains shocks relatively poorly. The "cheap" Sunuke Bokken are usually dyed. Our weapons are all guaranteed 100% natural Sunuke. The Sunuke weapons are particularly heavy and are not suitable for full contact practice. They are excellent however for practice Suburi or to practice Kata for the development of Tenouchi and Tanren work. Note that Sunuke made weapons weight can significantly vary depending on available material.

Tsubaki (Carmelia Japonica)

The Tsubaki (Carmelia Japonica) is a tree that is found throughout the southern part of Japan and it can reach over 500 years of age. This tree is used since immemorial times in Japanese crafts to make various objects of everyday life such as dishes and furnitures. Its uniform color makes it an ideal wood for making decorative Bokken, though they are also ideal for practice. In recent years, the camellia has been used to replace the legendary Biwa wooden Bokken. Indeed, the Biwa is extremely rare and expensive (regular price for a Bokken in real Biwa is approximately 100,000 JPY, the Bokken sold at cheap rate under the "Biwa" label are in reality made of Tsubaki). Camellia is very close to the Biwa, both by its appearance and by its characteristics, both impact resistant, lightweight, and very pleasant to the touch. Unlike Sunuke, Tsubaki is more flexible, resilient, and therefore stronger. However, it is lighter, making it an excellent practice Bokken for flexibility and precision, especially for women. Certainly less strong than white oak, we do not recommend it for full contact practice, but it will sustain shocks relatively well.

Hon Biwa (Japanese Loquat)

The term of Loquat (also called Japanese Medlar), or "Eriobotrya Japonica" in scientific terms, includes several subspecies, and the type of wood used for the production of this particular model is the one that has been used for hundreds of years in Japan for the manufacture of exceptional Bkken. Mainly grown for it's yellow fruit, is a small tree (average of 3 to 4 m) that needs an extensive amount of time to reach 5 to 10 m, the minimum height required to harvest long enough node free material to produce a Bokken. If the tree itself is widely spread around the world, old and massive enough trunks are very rare and Loquat tree of more than 5 m are subject to drastic cutting quotas which explain the massive increasing in price over the past decades.
Well selected high quality Biwa makes the best wood possible for Bokken manufacture. Bokken made from biwa are incredibly resilient, solid, well balanced, and very pleasant to touch.

Buna (Fagus crenata)

Buna (Fagus crenata) is a wood that grows throughout Japan, from Hokkaido to Kyushu. It is very popular in the art of Bonsai for the beauty of its barks and leaves. This wood has a very clear yellow color with darker shades, it is pleasant to the touch, strong and very light. This wood is used in the manufacturing of Bokken for its lightness and its original appearance. We recommend this model for practitioners seeking a light weight but who still need a Bokken that can sustain accidental impacts. It is particularly suited for children and practitioners suffering from shoulder pain.

Kiri (Paulownia)

Kiri (Scrophulariaceae) is a wood that grows in northern Japan, but originates from China and Korea. This tree produces a wood that absorbs very little moisture, does not conduct heat, and does not burn at high temperatures. Due to its qualities, this wood has long been used to make furniture and chests. It is also reputed to be the lightest wood in Japan, this is why it is used to make ultra-light Bokken for practitioners suffering from shoulder pain, or for use during Kata or prayer.

Murasaki Kokutan (Purple Ebony)

Also called Tetsuboku (ironwood), purple ebony has a very pleasant smell and a very characteristic amber color, the wood is slightly rough to the touch. It fits between Asian Sunuke and ebony. Its density makes it a heavy wood, perfectly suited for practicing of suburi, ideal for practitioners who like to practice with a heavy bokken. It is however necessary to keep it away from humidity and temperature changes that could have an adverse effect on the quality of the wood.

Shima Kokutan (Asian Ebony)

Shima Kokutan (Ebenaceae diospyros) is a broad leaf evergreen that grows mainly in South Asia and throughout Indonesia. It is a very slow growing tree, and only trees over 200 years old can be used in the manufacture of Bokken. Shima in Japanese means "striped", it is so named because this wood is characterized by clearer (brown) lines inside its black ebony. This tree produces a very heavy and very hard wood commonly used for furniture and luxury items. It will be suited to the practice of Suburi or for decoration. Very hard, very dense, it absorbs shocks relatively poorly and is not advised for practice with contact. Note that Kokutan made weapons weight can significantly vary depending on available material.

Hon Kokutan (African Ebony)

African Ebony has been used for thousands of years for many purposes, but unsustainable harvesting the past decades resulted on drastic cutting quotas and therefore in a massive price increase. Due to its hardness, African ebony is very difficult to work, which is also one of the main reasons for ebony item expensive price. The ebony used by our craftsmen is legally imported in Japan in small quantities.
The wood is exceptionally dense (one of the heaviest wood on earth), strong, and stiff, and makes wonderful Suburi Bokken but is not meant for heavy contact practice.

Comparison of Different Wood (for Classic Shape Bokken)

Wood	Origin	Bokken Weight	Grooved Bokken Weight	Toughness	Utilization
Ichii Kashi (standard red oak)	South Japan - Kyushu	450 ~ 500 g	***	Beginner	5,000JPY~
Hon Akagashi (deluxe red oak)	South Japan - Kyushu	480 ~ 580 g	****	Contact	5,500JPY~
Shirakashi White Oak	South Japan - Kyushu	500 ~ 600 g	****	Contact	5,500JPY~
Isu no Ki	South Japan - Kyushu	480 ~ 580 g	***	Kata - Women	6,000JPY~
Sunuke	South Japan - Kyushu	600 ~ 700 g	**	Suburi - Present	16,000JPY~
Tsubaki (Camellia japonica)	South Japan - Kyushu	450 ~ 500 g	***	Women - Present	16,000JPY~
Hon Biwa Japanese Loquat	South Japan - Kyushu	520 ~ 580 g	*****	Everything !	97,000JPY~
Kiri	Hokkaido - North Japan	150 ~ 200 g	*	Kata	6,000JPY~
Buna	South Japan - Kyushu	350 ~ 400 g	**	Children - Women	5,000JPY~
Murasaki Kokutan Purple Ebony	South Japan or East Asia	550 ~ 650 g	**	Suburi - Present	11,000JPY~
Shima Kokutan Asia Ebony	East Asia	700 ~ 750 g	**	Suburi - Present	45,000JPY~
Hon Kokutan African Ebony	African (Gaboon or Cameroon)	750 ~ 800 g	**	Suburi - Present	120,000JPY~

*Since wood is a living material, the weight is variable and this table is for reference only.
* As a living material, wood color may vary significantly from one weapon to another.
* The price is for the classic bokken shape.

Engraving

With the exception of Kiri, our wooden weapons can be engraved. Simply add the customization to the product before adding it to the cart.
Please note that engravings are made at our workshop once to twice weekly, and that it extends shipping time usually only from 3 to 5 days.

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Product & Services Summary

Yagyu Ryu Bokken - Exotic Woods: ¥20,000

Bokken & Shoto Laser Engraving - N°1: ¥800

Bokken & Shoto Laser Engraving - N°2: ¥800

Bokken & Shoto Laser Engraving - N°3: ¥800

Jo, Bo & Hanbo Laser Engraving - N°1: ¥800

Jo, Bo & Hanbo Laser Engraving - N°2: ¥800

Jo, Bo & Hanbo Laser Engraving - N°3: ¥800

Tanto Laser Engraving - N°1: ¥800

Tanto Laser Engraving - N°2: ¥800

Tanto Laser Engraving - N°3: ¥800

Katanakake Laser Engraving - N°1: ¥800

Katanakake Laser Engraving - N°2: ¥800

Made to Order | Production: ~ | No Exchanges/Refunds
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In stock: shipped within 2 business days
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