This # 1 softball swing trainer has a legacy for helping batters with their swing mechanics and hitting consistency. Velcro the two straps to any pole or tree to simulate real pitches for improved hand-eye coordination. Improve timing, confidence and hand-eye coordination. Develop better swing and stance mechanics. Get up to 500 swings per hour without ever chasing a ball. Tethered ball and cord with Velcro straps quickly attaches to any pole or tree. Easily adjusts to any height. Official softball size. Twist-back design simulates real pitches.