DIY Kolrosing Knives - 2 Easy Designs.

Lets make 2 original design Kolrosing knives with 2 different blades, with 2 different handle woods.
Also learn how to make and harden your own blades.

I used O1 Tool steel, and tempered @ 480F (250C) for 30mins - to get an easily sharpened edge.

My last blade video with this (same) steel shows the packaging label detailing the exact tempering temperatures and for how long.    • How to make an extreme marking knife ...  
Those blades were tempered @ 390F (200c) for 10 mins and it turned out really hard and durable (almost too hard)
I made those blades in 2020 and it took a lot of work sharpening them, but I have never had to resharpen.

One last tip, if you are going to use your oven, quench in cooking oil so you don’t leave a horrible smell in the oven. Happy wife = happy life

These are my first Kolrosing knives so sorry this is not a tutorial on how to Kolrose but check out my first design. Is it really that easy to do?

Kohlrosing (a.k.a. Kolrosing) is the Scandinavian tradition of incising thin decorative lines and patterns in carved wood and filling with dark powders (charcoal, coal dust, coffee grounds, graphite, ground bark) or colored wax, etc. for contrast,. Kohlrosing dates back to at least Viking times.