Here's a good visual for what the clubhead needs to do at the top of the backswing and during the downswing to hit straight shots:
Don't Break the Plane from Grant…
Here's my mental strategy for short putts:
Short Putt Mental Strategy from Grant Brown Golf on Vimeo.
Correct posture out of the greenside bunker makes these shots much easier.
Greenside Sand Shot Posture from Grant Brown Golf on Vimeo.