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Steel, shapes and edges
Three short guides for anyone choosing a knife or looking after one, and the videos that show how a precision sharpener does its work.
Blade shapes explained
Eighteen blade shapes, from the everyday drop point to the karambit and the kukri's cousin the smatchet, with what each one is for.
A guide to knife steels
The five properties that matter, the three families of steel, and twenty-five named steels rated for edge retention, corrosion resistance and ease of sharpening.
The art of knife sharpening
Skill, the pitfall of cheap sharpeners, and why precision and repeatability matter more than talent.
Sharpening videos
The Wicked Edge system explained by the people who make it, and a look at some of the PUMA knives.