How To Do Butterfly Knife Tricks? Learn These Simple Tricks

For thousands of years, people have been making knives. Some 90,000 years ago, Neanderthal people hunted game with these tools made from flint or bone. They are thought to have been the first knives ever made. Today, a variety of knife blade types are available to meet the needs of hunters, campers, fishermen, or people seeking self-defense.