Precision GK Ball Deflector Reactor GridDynamic training aid designed to improve goalkeepers reaction speed, coordination, and decision making. Suitable for use on both grass and artificial surfaces, it brings realistic unpredictability into training sessions. When a ball is played along the ground into the Reactor Grid, the multiple strategically placed floats create varied deflections in height, direction, and speed. This helps replicate match scenarios such as deflections off defenders,