Dr. Sherylle Calder of EyeGym.com, coach to players such as Ernie Els, Branden Grace and Charl Schwartzel, joins Mark Immelman to share her work and intriguing insights.  Dr. Calder explains the relationship between what is seen visually, how it is processed mentally by the brain and how that is transmitted to the hands and body.  She also shares tips for you to learn how to improve in this area to help your game. Also, Mark Immelman shares #OntheMark observations from the 2016 Memorial on how to hit quality fairway bunker shots and how to handle the long greenside bunker shot ala Will McGirt.