0g&reg; Zero Bounce Patented In-home Silent Basketball Dribble Skills Trainer/Training System.(Rapid Gross Motor Development) Silent Operation. The ball does not make contact with the floor. A Real Dribbling Feel that feeds back bad form. Designed specifically for In-home training without noise. Rapidly builds muscle memory,touch,finger strength,hand eye coordination,conditioning and control. Builds total confidence in player and develops the weak side Gross Motor Function.