Sanada-himo is deeply rooted in the world of samurai and ninja.

The 15th-generation master, Isao Wada, comes from a lineage that served samurai lords in Ōmi Province since the Muromachi period. His ancestors were leaders of the Kōga ninja — specialists in intelligence, survival, and covert operations.

Ninja were, in essence, the spies of their era. Born in lands of secrecy and strategy, Sanada-himo was worn hidden beneath clothing as emergency armor, used for transporting supplies, and relied upon wherever extreme durability was required.

(A quiet secret among us — yes, even Naruto’s forehead protector traces back to Sanada-himo.)

The name “Sanada-himo” is said to come from the legendary shogun(warlord) Masayuki Sanada, who wrapped this exceptionally strong cord around his armor and achieved remarkable victories.

The strength of Sanada-himo is legendary. Once used to suspend swords at a warrior’s waist, this cord is even said to have been used to catch and disarm an enemy’s blade — a testament to its extraordinary durability.

Matcha has become a global favorite, one you likely already know. Yet few are aware that Sanada-himo has long been woven into the world of Japanese tea culture.

Originally a tool of war, Sanada-himo later found its place in chanoyu — the Japanese tea ceremony, one of Japan’s most sophisticated cultural traditions.

After the age of war, Sen no Rikyū adopted Sanada-himo as the cord used to secure wooden boxes containing precious tea utensils. From that moment, Sanada-himo became inseparable from Japanese aesthetics.

(It’s said that Steve Jobs himself studied Rikyū’s philosophy — the pursuit of essence, Zen thinking, and the elimination of excess — which later influenced Apple’s design philosophy.)

In tea ceremony traditions, Sanada-himo is called “Oyakusoku-himo”(the “promise cord”) — each school and family has its own exclusive colors and patterns.

As Mr. Wada explains:
“The pattern functions like an ID. The knot works like a password.”

By simply seeing the cord tied around the box, one could instantly verify the authenticity of its contents, identify the owner, and know who sent it. It functioned as a form of encryption — carrying the essence of intelligence and secrecy within its design.

Because of this secrecy, pattern books were never shared. Designs were passed down orally, guarded for generations.

The man who weaves this cord, Mr. Wada, carries a rare inheritance. On his mother’s side, his lineage traces back to Sen no Rikyū — along with generations of oral knowledge passed down through time. That is why he is uniquely able to share such detailed insight today.

With ninja heritage on one side and tea culture on the other, Mr. Wada embodies two of Japan’s most profound traditions.

Despite being called a “cord,” Sanada-himo is actually the narrowest woven textile in the world. Warp and weft threads cross at right angles, with the weft beaten in tightly—creating a structure that resists twisting, stretching, and wear with astonishing strength.

For centuries, this technique was strictly guarded knowledge — never taught outside the family.

Because Sanada-himo functioned as both ID and encryption, copying another family’s pattern was forbidden. Pattern books were hidden. Skills were passed down only through oral tradition.

Even in the modern era, the “Enami” workshop never displayed a sign saying “We make Sanada-himo.”

The Kogei (craft) was quietly preserved, out of sight, for over 500 years.

Today, this Kogei (craft) survives in the hands of only a few.

“Enami” is now virtually the only workshop in Japan specializing exclusively in handwoven Sanada-himo.

From dyeing raw silk threads to weaving on traditional looms, every step is done entirely by hand.

Production is extremely limited: Only about 5 meters can be woven in a single day.

Traditionally, this knowledge could only be inherited by direct descendants. Yet the 15th master, driven by a desire to truly pass on this unseen heritage, made the unprecedented decision to reveal its history — through lectures, workshops, and documentation of over 300 years of patterns.

However, unfortunately, there is no successor in his direct lineage. The 500-year legacy of Sanada-himo master “Enami” will end with him.

This is Japanese history, culture, and craftsmanship — woven by the last generation.

Why not bring a piece of what samurai, ninja, and tea masters once trusted into your own daily life?

This strap is made with Sanada-himo. It’s finished with the Myoga knot, a tying method traditionally used for Japanese sword “sageo cords”, so you can bundle your keys or small items and use it as a key holder. At around 10cm, it’s compact and won’t get in the way in a bag or pocket—an easy, everyday piece.

Price
¥17,600 (tax included)

Size / Weight
Length: approx. 10.0cm
Width: approx. 1.2cm
Weight: approx. 6g

What is the “Myoga knot”?
It’s a traditional knot used for this part of a Japanese sword cord (sageo).

Use case

This ID lanyard is made with Sanada-himo. Wear it around your neck with an ID card—so you don’t have to search for it at reception or every time you enter/exit a building. Sanada-himo is said to have been used by samurai and ninja. Wearing it quietly at work can lift your mood—and help you switch into work mode.

Price
¥24,200 (tax included)

Size / Weight
Length: approx. 100.0cm
Width: approx. 1.2cm
Weight: approx. 45g

Use case

This smartphone strap is made with Sanada-himo. It lets you keep your phone attached by the cord, helping prevent slips and drops and making it easier to carry on the go. Sanada-himo is often described as a textile “so strong it’s said even a Japanese sword can’t cut it.” Use it as a reliable strap to help protect your smartphone.

※What’s included: the Sanada-himo strap and the strap hole sheet shown in the photos. A smartphone case is not included. That means you can keep using your current phone case—just add the strap hole sheet and attach the Sanada-himo strap.

※iPhone cases generally work without issue, but for Android devices, compatibility may vary depending on the shape and design of your phone case.

Price
¥20,900 (tax included)

Size / Weight
Length: approx. 100.0cm / 140.0cm（2 options）
Width: approx. 1.2cm
Weight: approx. 17g / 21g

Use case

Q. Can I choose the shipping method?
A. Yes. At checkout, you can choose Standard Airmail or EMS.Depending on the destination and your order, available options may be limited.

Q. How much is shipping? Do you offer free shipping?
A. Shipping is calculated automatically based on destination, weight, and shipping method. Orders of ¥30,000 (tax included) or more qualify for free Standard Airmail shipping. If you choose EMS, you’ll be charged the additional shipping fee (the difference).

Q. How long will delivery take?
A. Estimated delivery time is about 2–3 weeks after shipment. Delays may occur due to weather, flight congestion, local delivery conditions, and customs clearance. EMS tends to be faster than Standard Airmail, but delivery dates are not guaranteed.

Q. Is tracking available?
A. EMS includes tracking.

Q. Will I have to pay customs duties or import taxes?
A. They may apply. Any customs duties, import taxes, or clearance fees are the responsibility of the customer. Rules vary by country, declared value, classification, and customs decisions.

Q. I’m not sure how to write my address.
A. Please enter your address in English/roman characters in this order: Apartment/Unit → Building name → Street address → City → State/Province → Postal code → Country. If an address error causes a return or reshipment, additional charges may apply.

Q. Can I return or exchange my order?
A. If there is an initial defect (damage, faulty hardware, etc.), please contact us within 3 days of delivery. Because international returns can be costly, we generally do not accept returns for customer convenience.

Q. Care instructions / notes
A. Sanada-himo is a woven textile. If it gets wet, gently press it with a dry cloth and let it air-dry in the shade. Rubbing while wet may cause color transfer or fraying.