Steady Swing Golf Training Aid - Instantly reveals head movement! Steady Swing's red lens training system provides real-time visual feedback for an engaging golf training experience. Ready to use! Includes Xloop HD vision sports eyewear with red lenses pre-attached. The vivid visual effect stealthily trains you to keep your head still for increased putting and ball striking accuracy. Bring out your best with this one of a kind visual training! Works with all types of eyewear.