Increase hand eye coordination, reflexes, tracking, and decision making skills with reaction ring. TRAINING FOR ANY SPORT: ; reaction ring are suitable for reaction speed, agility, and focus training in all sports; including football, baseball, basketball, hockey, and more.Make the game as difficult or easy as you need and work your way up with training. Add more spin, change your call out timing, increase speed, use color + hand combinations, or change throw orientation, etc… The reaction training ring can exercise the hand eye coordination ability, reflection ability, tracking ability and decision-making ability. You can train your brain and improve your skills. It is suitable for any sports training, athletes and coaches. It can exercise your reaction speed, agility and concentrated training.