Good idea, I'll try to do it, thanks

The same construction, i.e. Extension at the cutting edge,
can do on the wooden liners, as you showed the leukko,
or WWII homemade from aluminum, quite easily decomposes.





The problem of such pollution is very rare, if only you use a knife. If you give it to a camping trip to someone, especially a woman, then you can not clean the dirt out of the scabbard. Low culture used of handling tools. Therefore, I thought about ways how to compensate for this by technical means