Neck knives can be used as a survival tool or even as a protection tool. Though a neck knife comes off as a necklace to most, for the wearer, it is a tool that provides a sense of security. These knives are back in fashion because of their use demonstrated by Cody Lundin from the Dual Survival. A neck knife is a great choice for hunters, hikers, and white water rafters, one quick slice from a neck knife can save your life on many life-threatening occasions. A discreetly carried knife, small yet sharp, under the shirt, ready to be deployed at the slightest chance of danger.