Features:Are you tired of running after your volleyball during armswing practice This volleyball training equipment makes solo training a whole less cumbersome and a lot more fun. Get in a state of flow With our equipment you can easily swing ten to twenty times a minute with immediate feedback. This makes learning a lot faster and more efficient. Imagine training ten times more effectively than without a return mechanism. Imagine the progress that will be made in such short timeThis training equipment is an ideal gift for a volleyball apprentice. It makes learning volleyball so much more fun and will make you a great player within your team in no timeDISCLAIMER: Hitting the volleyball with tremendous force for long periods can put too much stress on the elastic and cause it to break. The device is thus best suited for beginners and younger players. It can help find the optimal serving technique. Dont aim at objects or people.Great for solo trainingWith the aid it becomes very easy to practice arm swing technique and tosses multiple times in a row. The elastic cord guides the ball back after every swing. No need for interrupting the training in order to fetch the ball. Multiple fast repetitions in a row get you in a state of flow: this makes it easy to perfect technique through quick feedback.Adjustable cord lengthElastic double reinforced cord is adjustable in length. For optimal serve training we recommend finding the optimal height for your height and adjust the cord accordingly. It can be adjusted up to 5 9 (1.8m).Comfortable and size adjustable around waistVelcro strap fits comfortably around waist. It can be adjusted to accommodate different waist sizes up to 26 (80cm).