The Marv Swing Path Trainer is a tool that can be used from T-Ball up to the Big Leagues. The concept is simple, take a full swing and try to send the ball in the air and straight. It provides instant feedback and helps the player find the correct feel for a perfect swing path. 

• Baseball Bat Grip
• Tennis Ball Included
• Promotes proper hitting mechanics 
• Provides instant feedback
• Find Correct feel for Perfect Swing Path
• Used by Players in MLB
• 365 day replacement warranty for the SPT (Excluding Tennis Ball)