I see some pretty amazing work here, on sheaths and such, pieces that are as diffucult and require as much skill as the knife they hold, more in some cases. My question is do any of you sheath makers mark or sign your work?,knifemakers all stamp etch or engrave. I've done a few sheaths for production knives recently and felt I should mark them, and was wondering if there was a traditional way or spot already in use?