"Warikomi" means 'sandwich' in Japanese. The blade of this knife has a central harder layer of SK steel for improved edge retention, sandwiched between two layers of soft iron for strength. This is the same construction you find in a Samurai sword.
This knife has a blade 63mm long (so can be carried legally in the UK). The design is char
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Lovely little Higonokami - you won’t find anything better to have around for opening packages / breaking down boxes. Very sharp out of the box, both at the tip and along the edge. Blade is a little stiff to open, but I’d expect this to relax slightly over time.
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Richard · January 4, 2026
I'm very pleased. The knife arrived next working day, is small enough for a pocket, but the blade is a good length, and seems very well made. Just what I wanted,
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Andy · January 5, 2026
really nice penknife, it was a freebie so no other comments but TOG service is spot on