How do you LOOK, LOOK LOOK?

[12 piece bucket]

Do you Look, Look Look with a mirror? Slow motion watching your hands? Full speed watching your hands? Eyes closed? Do you just look look look at your delivery lines and hands or do you also look at your pivot? Your head etc.?

Look, Look, Look appears in the book many, many, many times . . . but what do you look at and what is the best way to do it?