
The Story Behind Oishya: From Japan’s Knife Villages to Your Kitchen
The story of Oishya, a brand born from trips to Sakai and Seki that works with Japanese workshops to make knives for European home cooks.
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Notes on knives, cooking and the people who make things slowly.

The story of Oishya, a brand born from trips to Sakai and Seki that works with Japanese workshops to make knives for European home cooks.

Why hard Japanese steel can chip, the six habits that cause almost every chip, which steels forgive more, and what to do if your knife has already chipped.

End grain, edge grain or face grain? How each board treats a Japanese knife, which woods are kindest to a fine edge, and how to look after a wooden board.

Full bolster, half bolster, double bolster or none: what each means for balance, safety and sharpening, and why most Japanese knives have no bolster at all.

How to choose a Japanese knife as a Christmas or wedding present: which shape, which line, which handle colour, and why every Oishya box holds a 5 yen coin.

How to sharpen a Japanese knife on a 1000/6000 whetstone, step by step: finding the 10 to 15 degree angle, raising a burr, refining and testing the edge.

Five rules for caring for a Japanese knife, covering hand washing, the right cutting board, whetstone sharpening, and proper storage.

Ten kitchen gifts for summer 2026 cooks, from a Sakai Kyuba santoku and brass chopsticks to walnut cutting boards and a three-knife set.

How a Japanese kitchen knife is forged, from Sakai and Seki workshops to layered Damascus steel hammered at 1,100°C through dozens of hand steps.

What to buy first when you are building a Japanese kitchen on a budget: a stone, a board, somewhere to keep the knife, and then the knife itself.

A beginner’s guide to Japanese knife sets, why the chef, vegetable and paring trio works, plus the Sakai Kyuba KYU Set for first-timers.

An expert buying guide to Japanese chef knives, explaining gyuto, santoku and bunka styles, steel hardness and picks like the RYU Gyuto.

The philosophy and craft of the Japanese kitchen, from nagomi balance and wabi-sabi to mottainai and kaizen, and how each shapes how you cook.

Caring for a Japanese knife, covering carbon versus stainless steel, Rockwell hardness, single and double bevels, whetstone sharpening and storage.

A reference on the stainless steels used in kitchen knives, from budget 1.4116 to VG10, SG2 and ZDP-189, and how carbon and chromium shape each one.

What Japanese blade finishes really do, from the tsuchime hammered texture that releases food to the Damascus cladding on the Sakai KYU line.

Why onions make you cry, the syn-propanethial-S-oxide gas behind it, and science-backed methods that reduce tears, starting with a sharp knife.

Is a £300 kitchen knife worth it? The cost-per-meal maths, plus what VG10 steel and three-layer construction in the KATA Bunka actually buy you.

The wave pattern on a Damascus blade is more than looks. How folded layers, like the 33 in the RYU line, balance edge retention and resilience.

The four best Japanese knives for home cooks, the Gyuto, Santoku, Nakiri and Petty, with the features and tasks that suit each one.

A guide to every major Japanese knife shape, from the all-purpose gyuto and santoku to specialised blades, and what each one is built to do.

Should knives hang blade up or blade down on a magnetic rack? Why many professionals favour blade up, covering ergonomics, balance and edge wear.

Mixed greens with avocado, cucumber and smoked salmon, scattered with feta and dressed in a lemon, honey and Dijon vinaigrette with fresh dill.

Muhammara, the Syrian dip of roasted red peppers and toasted walnuts blended with pomegranate molasses, Aleppo pepper and sumac. Serve with pita.

Rice vermicelli with shredded roast chicken, carrots and herbs in a fish sauce and sambal dressing, topped with peanuts and Fresno chiles.

A practical primer on kitchen knives, covering how to pick your first chef’s knife, blade materials, cutting technique and basic maintenance.

How forged and stamped knives differ, from the hammering and heat treatment of a forged blade to its strength, edge retention and balance.

Cannelloni tubes filled with ricotta, spinach and three cheeses, baked in a spicy tomato sauce and brightened with fresh lemon juice and basil.

Spaghetti tossed with clams, mussels, king prawns and squid in garlic, white wine and arrabiata, finished with herbs and lemon. Serves a crowd.

A quick coconut soup that blends leftover green curry sauce with tom yum kha paste, prawns and vegetables, plus from-scratch and other variations.
The Slow Letter
A story from the workshops, a recipe worth keeping, and five Knife School letters to start you off. 5% off your first order, sent once.