How to stop Tinning

Thinning the ball rises it through the air with more loft than expected with a resultant lack of distance. It usually occurs when teeing off using long irons or woods when the impact point is the bottom half of the ball.

There are two main reasons for thinning the ball. Firstly, it can be caused by impacting the ball on the upswing rather than the bottom part of the downswing. The club effectively lifts the ball into the air rather than pushes it. This implies that the ball is too far forward in the stance. It should not be placed further than the inside of the left foot.

The other reason is teeing ball too high on the peg. When using irons especially, push the peg down fully. On the range, most golfers hit off the mat when using irons so teeing off a peg during play is an unusual situation. Pushing the peg home puts you back into a situation which you've practiced for.

Thinning can largely be avoided with proper ball positioning and by maintaining a smooth swing.