The atlatl is a spear-throwing set that can launch a small spear (dart) more than 100 yards. Traditional cultures have used these weapons on big game, small game, fish, and each other. But don't think that this tool is relegated to the history books. Dart speeds up to 93 mph (150 km/h) have been recorded with modern examples of this primordial weapon. And thanks to avid and vocal atlatl users, the Missouri Conservation Commission approved the atlatl as a legal method of taking game and non-game fish species in 2007. With a good deal of practice, it's surprisingly accurate to distances up to 20 yards, it's also surprisingly easy to make. Here's how.