SwingWing Golf Inflatable Swing Trainer Patented, revolutionary, inflatable Power Swing Trainer. Easy to inflate and use. Uses wind resistance to promote proper tempo, lag, sequencing, and a full body turn. Add club head speed and distance to your game. Also, an incredible tool to warm up. Lightweight, no lugging around heavy or cumbersome trainers to the range or tee Take the 10 Swing Challenge, you'll be absolutely amazed at the results