Why Use Ithe Eyeline Golf Slide Glide? Tour Players are fanatical about consistent ball position in their putting – the distance the ball is from their toes, and between their feet. This is the first giant step to rolling the ball consistently,and making EVERYTHING. The Slide Guide is the simple tool to get an exact measurement of your ball position setup, and put you in precisely the same position every day. The Eyeline Slide Guide is Simple To Use:Toss down the Slide GuideMeasure and mark it to your specsRoll the rock with remarkable consistency