pinseeker
"Non renunciare mai quello che desideri"
along with some of the suggestions above like not looking at ball, focusing in front, looking towards target e.t.c. I have another drill which seems to work (probably fleeting) well. I call it my "lights out". While reading the blog on True Motion Golf page where they were demonstrating things as keeping right hand on top, closed face, maintaining club head at same angle as spine, getting up vertical, I wanted to practice it. It was quite dark outside and the only light I had was a dim patio light behind me that would allow me to barely see the ball. I then took a swing in the dark and made great contact, solid strike into a suspended target. Probably the fact that it was a cool night, very little ambient light, and I felt relaxed, no tension e.t.c. In any event, it helped (for the moment). Now I am not advocating that we should practice under the light of the moon like Jack Nicholson as Joker in Batman, but you get the idea.