Skip to product information
1 of 23

[Ai Knife] Variation Set

Regular price
Regular price
Sale price
Tax included. Shipping calculated at checkout.

A set of 3 knives: Ai knife Santoku, Shingyutto, and Yanagiba.
This is a versatile set that can handle anything from meat to vegetables to sashimi.

Please note that only the willow blade is made of steel, which is prone to rust.
All items are provided without sheaths.


"Craftsman collaboration" combines different craftsmanship techniques from different production areas.
An indigo knife that transcends tradition and astonishes the world has been completed.

This is a collaboration between Osaka's Sakai cutlery, which boasts a history of 600 years, and Tokushima's craftsmanship, which has established the technique of indigo dyeing wood.

``Ai knife'' is a new business model that generates profits for multiple production areas with one product and revitalizes Japan.

Experience the functional beauty that is starting to attract attention overseas.


"Ai knife" variation set

Blade: Powdered die steel Warikomi, V gold No. 10, Yasugi Shirogami No. 2 Blade length: 16.5cm, 21cm, 24cm
Blade: Double-edged (Santoku/Gyuto), right-handed single-edged (Yanagiba)
Handle: Hiba Muzzle: Laminated plywood Sheath: Honoki

* 5% cheaper than buying them individually * Yanagi blade is for right-handed users

[Option] About the special case (sheath)

Option price: 10,000 yen (12,000 yen only for Yanagi blade) / per item

This is a sheath exclusively for the Ai knife. The scabbard is also dyed with indigo. If you have the opportunity to carry a knife, please consider this.

The material of the sheath is "Honoki".

*It may not fit knives other than Ai knives.

*After purchase, we cannot accept returns or refunds for reasons such as the size of the knife does not match your own knife, which is not an Ai knife.

Please purchase the required number of sheaths from the single sheath page below.

Click here for the single sheath page

[Optional] About Tosa Washi gift wrapping

Option price: 500 yen / per item

We also offer gift wrapping using Tosa washi paper as an option. Please use it as a present for your loved ones.

You can also add a gift (5 yen coin) as an option. We recommend this as it is a typical Japanese way of giving a gift that conveys the wish that your relationship will last forever.

Since ancient times in Japan, there has been a culture of giving knives at celebratory occasions as a gift to ward off evil and misfortune and bring good fortune. Please continue to use it to "open up" a bright future.

Please purchase the required number of items from the gift wrapping sales page below.

●Click here for the gift wrapping page

[Optional] About the name engraving service

Option price: 1,000 yen / per item

You can add text (your name or message) to the knife blade. Text can be added to all lineups of Ai knives currently on sale. This service allows you to create a special feeling by giving it as a gift to a loved one or as your own favorite item.

There is a detailed explanation of the name engraving on the page below, and please purchase from the page below.

Click here for the name page

About shipping, delivery, and delivery date

■Shipping fee

Nationwide flat rate: 1,000 yen

*Free shipping for some set items

■Delivery method

Sagawa Express / Courier

■Delivery date

Each Ai knife is finished one by one after an order is placed, so it takes time.

Items marked as ready-to-deliver: Ship within 2 business days.

Items that are not marked as ready-to-deliver ①: Regular items shipped in 7 to 10 days (mainly stainless steel knives)

Items that are not marked as ready-to-deliver ②: Items that normally take more than 2 weeks (mainly steel knives)

Items marked as "Sold Out" may take some time to arrive.

Each piece is handmade by craftsmen, so steel, wood, and monthly production quantities are limited.

About handling methods and precautions

<Handling method/Precautions>
-Wood grain and indigo dyeing may vary slightly from piece to piece.

・The indigo dye will not ooze out due to the waterproof coating that complies with the Food Sanitation Act.

・Please note that the waterproof coating may peel off if subjected to strong impact.

- Trying to cut hard or frozen items may cause the blade to spill.

・Do not heat the blade.

・Please do not use the dishwasher.

- After washing with a neutral detergent, remove the moisture thoroughly and let it air dry.

Thoughts on Ai knives

There is a reason why I decided to create a knife with a new concept called the Ai knife.

I wanted to make Japanese knives more hygienic, and I wanted to stimulate the manufacturing industry and craftsmen by creating new value.

In order to create value that is unaffected by time and culture, we decided to develop products centered on functionality and people.

When it comes to tools, functionality is more important than design. It involves people, not machines. I thought that something that is spontaneous and unique to humans, and in a sense resembles folk art, would resonate with the hearts of those of us who are tired of mass production and mass consumption. Possibilities created by craftsmen who would otherwise never have met.

We hope that the value of collaboration with artisans can be conveyed to everyone through the Ai knife!