SKLZ Zip-N-Hit Batters Trainer Zip-N-Hit Pro acts like a portable batting cage, allowing batters to improve their swing almost anywhere. Players have fun while developing confidence and power. As much fun to "pitch" as it is to bat. Improve hitting skills while increasing bat speed. Learn "top-half" hitting while reinforcing a level swing. Anyone can be a consistent pitcher. Hold batting practice almost anywhere. Chasing and picking up balls is history. Practice hitting pitches of different speeds and movement.