I've been searching for "stroke" related videos and training aids and came across this "360 Pure Cue Stroke Trainer Pool Cue." Let me know your thoughts on it and/or your experience(s) if you've used it.
http://www.ozonebilliards.com/360pucuesttr.html
Thanks,
Taemin
http://www.ozonebilliards.com/360pucuesttr.html
Thanks,
Taemin