• December 15, 2025

  • There is a quiet truth that holds across cultures and professions:

    The way you treat your tools reveals your character.

    In our work, we see many knives pass through our hands.
    Some clearly tell a story of care and respect.
    Others leave us wondering how a tool could ever reach such a state.

    And yet, a knife never lies.

    From its cleanliness, its edge, and the way it has been sharpened, you can often sense the mindset of the person who uses it.

  • Cleanliness Is Not Optional

    Even among professional cooks, it is not uncommon to encounter knives that are oily, rusted, or neglected—sometimes even brought in for sharpening in an unhygienic condition.

    To be honest, this raises an uncomfortable question:

    Would you want to eat food prepared with a dirty knife?

    A kitchen may be hidden from customers’ eyes, but it handles what goes into their bodies.
    Flavor matters, of course—but cleanliness matters more.
    Especially in kitchens that serve raw or lightly prepared food, hygiene is not a preference. It is a responsibility.

    Food safety issues only become visible after something goes wrong.
    By then, it is already too late.

  • A Tool Is an Extension of the Hand

    If you think of your knife as an extension of your own hand, your behavior naturally changes.

    You wash your hands when they are dirty.
    You care for your nails regularly.
    In the same way, cleaning and maintaining your knife becomes second nature.

    This mindset transforms habits—and habits shape character.

  • What Makes a Tool “Good”?

    A good tool is not defined by price alone.

    While price often reflects materials, time, and rarity, knives are unique.
    Some are expensive because of performance.
    Others because of decoration or design.

    Ultimately, value is personal.

    A truly good tool is the one you genuinely want—without looking at the price tag.

    It may be the knife used by a chef you admire.
    Or the one you feel will elevate your work.
    Compatibility matters, and that can only be discovered through use and experience.

  • Why Beginners Should Use Good Tools

    There is a common belief that beginners should avoid high-quality tools.
    We disagree.

    Using a tool you admire raises motivation.
    It creates a healthy pressure to grow—to live up to the tool in your hand.

    When you use the same knife as someone you respect, excuses disappear.
    You begin asking better questions:
    How can I cut more cleanly?
    Why is my movement slower?
    What must I improve?

    Saving to buy a meaningful tool also changes how you treat it.
    Effort creates attachment.
    Attachment creates care.
    Care leads to better work.

  • The Importance of Personal Philosophy

    Whether tools or cooking, having your own philosophy matters.

    True commitment is not rigid imitation—it is understanding.
    It grows when you observe closely, ask “why,” test ideas, and reflect.

    Only when you can explain why you do something do you truly understand it.

    Different masters may reach opposite conclusions.
    Some rely on science.
    Others on experience.

    There is no single correct answer.

    In the end, your philosophy is the one you can stand behind—and explain.

    And when you treat your tools with intention, clarity, and respect,
    they quietly help you become the person—and professional—you aspire to be.

  • A knife reflects who you are.
    Its condition reveals your mindset, and the right tool guides you toward mastery.

Before Using a Knife

A knife is more than a tool—it’s the heart of cooking. Learning how to use it properly helps protect its quality, durability, and safety, so you can enjoy it for years while elevating every meal.

Before Using a Knife

Daily Care of a Japanese Knife

With the right daily care, your knife will stay sharp and reliable for a long time. Here, we share the key points to keep it in peak condition and extend its lifespan.

Daily Care of a Japanese Knife

After-Sales Service

At KIREAJI, we ensure your knife can be cherished for years with our dedicated after-sales service, provided by the Shiroyama Knife Workshop. For repairs or maintenance, please apply through the link below.

After-Sales Service
  • A Craftsman’s Words on Tools, Care, and Responsibility

  • For those of us who forge knives, a tool is never just an object.
    It is something that carries responsibility.

    When I see a knife, I can often tell how it has been treated.
    The edge, the surface, the cleanliness—these details speak clearly.
    They tell me whether the person who used it worked with care, or simply with convenience.

    A knife that is respected lasts longer.
    But more importantly, it changes the way its owner works.
    When you clean it properly, when you sharpen it with intention,
    you naturally become more mindful of your movements, your ingredients, and your responsibility to those who will eat the food.

    In cooking, cleanliness is not a technique.
    It is a minimum standard.
    A sharp knife can be restored, but lost trust cannot.

    I believe a knife is an extension of the hand.
    If you would not leave your hands dirty, you should not leave your knife dirty either.
    This simple mindset protects not only the tool, but the people who rely on your work.

    A good knife does not demand perfection from its user.
    It asks for honesty, respect, and continuous effort.
    When those qualities are present, the tool responds.

    As craftsmen, we do our part by forging blades with care and pride.
    What happens after that is in the hands of the person who uses them.

    If this message encourages even one person to pause, clean their knife, and treat it with greater respect,
    then the tradition we protect continues—quietly, but surely.

  • japanese_knife_made_in_Sakai

    1. Forged in the Legacy of Sakai

    From Sakai City—Japan’s renowned birthplace of professional kitchen knives—each blade is crafted by master artisans with over six centuries of tradition. Perfectly balanced, enduringly sharp, and exquisitely finished, every cut carries the soul of true craftsmanship.

  • 2. Thoughtful Care for Everyday Use

    Every knife includes a hand-fitted magnolia saya for safe storage. Upon request, we offer a complimentary Honbazuke final hand sharpening—giving you a precise, ready-to-use edge from day one.

  • 3. A Partnership for a Lifetime

    A KIREAJI knife is more than a tool—it is a lifelong companion. With our bespoke paid aftercare services, we preserve its edge and beauty, ensuring it remains as precise and dependable as the day it first met your hand.