The Elixir Golf Putting Aids Laser Swing Putting Practice Training Aids Trainer Hat Clip On 1 Yard Putting will Conclude the Victory Not the 270 Yards Long Driver The State of the Art Putting Practice Training Aids by Elixir Golf OK BIRDIE laser will guide your putting line and you will see the line moves when head-up Comfortable to use and practice: Just clip on your golf hat Light weight and compact design: Less than 2 oz and slim design will not bother your swing and putting