Coos Cues said:

Ok then shoot the ball straight in sitting at the center of the table from a couple inches in front of a corner pocket to the opposite corner and when you reach 95% your stroke is probably straight and repeatable. Then what? Is some aiming system going to take you to the promised land? Probably not.

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Respectfully, that doesn’t address my point. I personally have a straight stroke, but I aim more accurately with systems that aren’t based on fractions or visual edge references.

Also, how is an aim system defined? You’d be surprised how many of my students increase their percentages once I show them true pocket center and related visuals. Technically, that is all part of an aiming system.

He has Napoleon' cue up separately as well, embedded scorekeeper:
https://www.ebay.com/itm/2575792668...d=link&campid=5335988529&toolid=20001&mkevt=1

They can be gaudy. The first below is described as inlaid marquetry cue, circa 1850s, loaded with cloisenne, comprised of ivory, brass, tortoise, spelter, and enamel, double spliced, ivory buttplate and ferrule. Also shown is a Meucci wannabe Casino

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The 360s in that collection are amazing as well.