It is not designed for use for anything other than defense period. Spyderco has always made that very clear.

In the 1990s Spyderco was approached by a specialized branch of U.S. law enforcement about making a knife for their undercover agents. These plain-clothes LEOs found themselves in situations where they often could not carry a firearm but carrying a knife was not a problem. Most had no formal training in self-defense tactics or MBC but as a last resort could use a blade to protect or extricate themselves from a life-threatening situation. This was how the Civilian model came to be."

As for a trainer, James Keating has several variations as well as a video.

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