[golfguru]

Know what you mean I cannot even draw my own thumb.

The photos taken are from way to the right of the real plane so hard to use. It makes BH look like he is pulling way left too (sound a familiar argument??!!) with a bent plane line.

Context is king of course. A good pic is as handy as a perfect one to get the general concept fired up. A perfect one leaves no ambiguity. Guess Homer worked that out over the years doing the book