Käytössä on halpa kaksipuolinen teroituskivi ja Fiskarsin hoonauspuikko. Tämän tapaisen teroittimen hankintaa oon kans harkinnut, vissiin ihan toimiva systeemi.
Can’t advise on the age I’m afraid, but in terms of reshaping the quickest way would probably be a wet slow grinder or bench belt sander if you have either.
In the past I have also made a jig with a file strapped to a broom handle... it’s a bit laborious but it works.
You place the blade flat facing you, and clamp it down. Place a couple of planks of wood behind it (stacked on top of each other) so the planks are parallel to the blade.
You can then place your file on the bevel, and the broom handle on the blocks of wood and work the edge. The handle and blocks ensure you’ve got a constant angle all across. You can move the blocks closer or further away from the blade dependent on the angle you want.
Kind of like a home made version of this.
This isn’t a recomen for this specific product but this is the type of setup I’m talking about.