In 2016, the brands created a mini version of the SERE Operator that was beloved in the knife and tactical worlds. Unfortunately, like its larger sibling, it has since gone out of production.

Here, the best three to own. Elmer Roush, a Vietnam vet-eran and 50-year blacksmith, created this tactical ax drawing upon hand-to-hand combat experience and a deep knowledge of ancient Norse weapons.

That could be about to change, however, courtesy of Böker’s Hel Karambit, which takes the typically combat ... the speed and tactical nature of more traditional karambit knives.