The product needs to be installed by yourself. Please see the picture for the installation steps High-quality rubber bands give you strong drawing force and good positioning to ensure wrist stability and accuracy. High quality Hunting Slingshot/Catapult, suitable for hunting, sporting or outdoor recreation. The non-slip design and the curved handle makes the hand feel more comfortable. It offers you a powerful shooting for outdoor games and fitness catapult used in, also used for the fine collection It offers a mysterious feeling and legendary atmosphere with you design. Please use 300 meters * 300 meters empty spaces. Damage to public facilities is prohibited. Products for illegal activities are prohibited.