VJ, interesting...I didn't realize that Johnny Miller putted this way (never seen anyone do it that I can think of). It definitely makes sense with using your built in "computer's" depth perception rather trying to control it manually...usually when I try to do that I de-accelerate and leave putts well short.
The other advantage that the article mentioned was it helps to keep a stationary head since most people pop their head up anyway to see where the putt is going and this sometimes happens well before the ball has left the putter. I take it a stationary head in TGM terms is just as important with putting as it is in the full stroke?
I've been doing it for over a year. I actually look at the spot I'm trying to roll the ball to. For a downhill breaker, that spot might be 2 feet left and 4 feet shot. Seems to have improved my lag putting alot.
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A mile from the place that golf calls home
I tried it after reading that article, but it didn't work very well for me - just a comfort thing I believe. I can look at the spot where I'm aiming, but have trouble looking at the hole unless it's close enough that I can easily see both the ball and the hole at once.