https://www.seyberts.com/images/products/secondary/bh40-1.jpg
Roscoe,
The thing about the 3rd. eye is that it only 'checks' the stroke in the horizontal direction, which is good.
But... It will still let the cue rock in the up & down direction.
I do not recall seeing any of that in your stroke, but I just thought that I would mention it.
The Buddy Hall device has some room for error. Perhaps it can be tightened up by somehow affixing rubber washers on both ends, maybe with tape,
Best Wishes for You & Yours,
Rick
PS I also think Joe Tucker has a wooden device that sort of looks like a card shoe but I do not know if it works with conical tapered shaft.
Roscoe,
The thing about the 3rd. eye is that it only 'checks' the stroke in the horizontal direction, which is good.
But... It will still let the cue rock in the up & down direction.
I do not recall seeing any of that in your stroke, but I just thought that I would mention it.
The Buddy Hall device has some room for error. Perhaps it can be tightened up by somehow affixing rubber washers on both ends, maybe with tape,
Best Wishes for You & Yours,
Rick
PS I also think Joe Tucker has a wooden device that sort of looks like a card shoe but I do not know if it works with conical tapered shaft.
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