HUAAO focuses on creating knives that are suitable for all situations. Whether you are a knife collector, survivalist or a adventurer, you can trust that your HUAAO knife will be a reliable tool in any situation. Comes with a Nylon Sheath to protect your ballistic dart launcher. Easy to carry for outdoor activities such as survival, self-defense, shooting, camping and hunting. What's in the package: Dart launcher x 1; Dart x 6; Nylon sheath x 1; HOW TO USE: Step1 Load Darts : The protective collar must be pushed up to lock the launch button when loading the darts. Then you can use the ground or any solid surface to install the darts one by one. (Darts are sharp, be careful when loading and always point forward.) Step2 Fire Darts : Pull the protective collar down before pressing the launch button. Then you can fire darts at the aiming target. The dart launcher can accurately shoot within 16 feet, and the farthest range can reach 30 feet. Step3 Shut Down Dart Launcher : Retrieve the launched darts, lock the protective collar, and close the top safety cover. (Note: It is not recommended for minors; don't aim at anyone when using cause it's dangerous)