AtLarge said:

For most shots, there is no problem seeing both contacts -- cue stick to cue ball and cue ball to object ball.

[Just don't jump up from the former to see the latter.]

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Bob Jewett said:

While it could have been original, the little chalk hook (16:30 in the first video) is the sort of thing that could have been added much later. It looks a little sketchy.

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jimmyg said:

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