This is a swing training device that utilizes the air resistance of its four blades, allowing you to experience a full-body swing. It's almost new, having only been assembled and lightly swung. I'm selling it as part of a decluttering effort. - Product Name: POWER SWING TRAINER - Features: Swing training device utilizing the air resistance of four blades - How to Use: Allows you to experience a full-body swing - Impact Zone: Contributes to improving your swing in the impact zone Thank you for looking.