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New Year’s Greetings 2026 | From Seki, the City of Blades
Happy New Year 2026 Thank you sincerely for your continued patronage throughout the past year.In the year ahead, Tenken Kogyo will continue to pursue precision craftsmanship and functions that truly resonate with the user, delivering the... -
A Simple Way to Liven Up Year-End Family Gatherings: Keep One CHACCARD at Home
What Is CHACCARD? — A Quick Guide to Why It’s Perfect for Year-End Gatherings CHACCARD is a card-sized multi-tool that fits easily into a wallet or business card holder.During year-end family gatherings—when everyone keeps saying “Can yo... -
A Practical Surprise This Christmas: CHACCARD
“Thoughtful,” “Built to Last,” and “A Conversation Starter.” CHACCARD condenses these three qualities into a single, card-sized tool. It slips neatly into a wallet or card case and is ready exactly when you need it. Each piece is hand-fi... -
Prepared for the Digital Age: Emergency & EDC Gadgets That Actually Work
In the Digital Age, Analog Fire-Starting Matters: CHACCARD Product Concept: Battery-Free Reliability in Your Pocket When smartphones and mobile batteries run out of power, they become nothing more than dead weight. CHACCARD is an analog ... -
CHACCARD: The Gadget for Men Who Get Things Done
Three Rules for Choosing the Perfect Gift for Men Function, Portability, and Design When choosing a gadget as a gift for a man, good looks alone are not enough. What really matters is whether it can be used naturally in everyday life. He... -
The Case for Campfires — Reducing Stress Through Mindfulness
Can Campfire Mindfulness Help Reduce Stress? Mindfulness that focuses on a campfire can be an effective way to reset your mood. Simply directing your attention to the light, sound, and warmth of the flames allows mental noise to graduall... -
Why CHACCARD Is the Survival Tool That Fits in Your Wallet
If It Fits in Your Wallet, You’ll Carry It Every Day Credit-card size, ultra-thin, and lightweight — portability by design CHACCARD is a credit-card-sized survival tool designed to live in your wallet.Its ultra-thin profile fits neatly i... -
A Perfect Gift for Men — A Gadget That Looks Cool Just Being in Your Pocket
Three Reasons Why CHACCARD Is a Powerful Gift for Men A Minimal Design That Looks Good Just Being Carried CHACCARD is a slim, business-card–sized gadget designed to slip effortlessly into a wallet or card holder.The refined edge finishin... -
The refined allure of CHACCARD Indigo Metal, crafted by the spirit of Japanese SHOKUNIN and the centuries-old tradition of indigo dyeing.
Indigo Metal Explained — A groundbreaking fusion of indigo dyeing and metal craftsmanship. The Foundations of Indigo Dyeing and the Cultural Depth of “JAPAN BLUE” Indigo dyeing is a traditional Japanese technique that uses natural, plant... -
CHACCARD: A gadget that looks cool to carry and proves its worth when it really counts.
“It stays quietly in your wallet every day, yet shows its true power outdoors or in emergencies.”A gadget like that instantly makes a man’s everyday carry more compelling.CHACCARD, the card-sized multi-tool developed by Tenken Kogyo, is ...
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