【Derek Jeter Series】 From elementary school students to adults, you can enjoy easy batting practice. You can practice batting with various speeds, such as speed balls and slow balls, and change the type of pitches, such as curves, sliders, forks, and rising fastballs. ・Attach the main unit's clip to a wire net or fence. ・The pitcher holds the cord and spreads their arms, allowing the ball to move along the cord. ・The ball hit by the batter returns along the cord towards the pitcher. You can practice batting without the ball flying off and breaking glass or hitting people.