I am right-handed. I am right-handed. I always think I'm aimed correctly, but this happens a lot especially on downhill putts. Calif. Mark, I would first look at your head and upper body if you are pulling putts.
Many golfers move their head and upper body forward in their follow through.
This will tend to move the putter face left and close it. Get a wooden dowel, about 4 feet in length. Attach across your shoulders using rubber bands, placed through your arms up to your shoulders. Set up as if you where going to putt, but place your head up against a wall. The PGA Lesson Tee is produced in conjunction with USA Today .