Volume 1
The edge, the material and the abrasive
What sharpness means; how cutting works; steels, geometry and wear; natural and synthetic stones; grit sizes and abrasives.
The book · Two volumes in Portuguese
Sharpening and polishing
Knives, straight razors and sharpening stones, where science meets Japanese tradition. A work by Jairo Shnaider connecting an understanding of cutting with decisions at the sharpening bench.
Explore the volumes and buy
For readers who want to understand their craft.
Afiação e polimento brings together sharpening experience, metallurgy, cutting mechanics, abrasives and Japanese traditions. It helps readers relate technique to the blade's material, geometry and intended use.
The two volumes complement each other: the first develops the foundations; the second examines practice and its context. Written primarily for professionals and experienced enthusiasts, the work explains technical terms and includes a reading path for beginners.
Chefs, collectors and people who maintain their own knives can study edges, stones and finishes in greater depth. Straight razors and professional sharpening and polishing practice are also covered.
Which volume should I start with?
Start with Volume 1 to explore materials, cutting and abrasives. Volume 2 focuses on assessment, preparation, execution and professional context. Read each volume's description before choosing; they are sold separately.
The book is written in Portuguese. Translated titles on this website introduce the subject. They do not indicate English or Hebrew editions. Check the selected store for edition details and reading and purchase conditions.
Bring knowledge to the bench
Choose your volume.
Two complementary volumes. Choose the subject you want to explore and your preferred platform.
Volume 2
Practice and context
Assessment and preparation, knife and razor sharpening, polishing, Japanese tradition, professional practice, protocols and a practical guide.
Each volume is sold separately and written in Portuguese. Price, currency, availability and purchase conditions depend on the platform and your account's country.
Questions about the book? Ask JairoBefore we talk
A few questions.
Is the book suitable for beginners?
The book is written in Portuguese, primarily for professionals and experienced enthusiasts, with technical terms explained. It also provides a beginner's reading path, practical sections and a guide to support study.
Where can I buy the book?
Links to both volumes are provided for Hotmart, Amazon, Google Play Books and Apple Books. Each volume is sold separately and written in Portuguese. Choose a volume and platform to check the offer available in your account's country.
Contact Shinken
Let's take care
of your blade.
We serve customers throughout Brazil and Israel. We also serve Europe and the Middle East by post. Contact us on WhatsApp to arrange an assessment and shipping, or write by email.
Chat on WhatsApp+972 54-697-8896Prefer to write directly?
shinkenknivesil@gmail.com