Mark Avlon:
In Bob's article, he suggests using the rail to stop the cue. This does work, but there are two problems with this method. It hurts to hit the rail with your hand, and as he mentioned, the rail has to be the right distance from the cue ball.
The pendulum stroke, with no elbow drop, can be used effectively for the same result, and it works for any cue ball location. The trick is to choke up on the cue so that your grip hand is at your finish position when the cue tip is almost touching the cue ball. With a normal backswing, you can accelerate until your grip hand hits your finish position. There will be a little give in your flesh that provides a slight amount of follow through.
With a little practice, you will find that perfect grip position that stops the cue before a double hit. You can use this technique for follow or draw.
Andrew Manning:
I like this idea, and I'm surprised I never thought of trying it before.
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Thanks for the tip.