Hello everybody, please critique my stroke if I had one 
I started with stop shot on long rail, cue ball and object ball are 4 diamonds away. Before I saw the videos, I noticed 2 major problems on that shots:
1) I miss the pocket often in the same way, see the video on 1.15min, 2.50min, 3.11min, 3.46min, 4.35min, 6.05min . I think is an alignment error, or a visualization problem.
2) I have to shoot that shots firmly, If I shoot them with less power, I can't stop the cue ball, and it rolls up like on 5.50min. Did I shoot them too hard?
http://youtu.be/ZhCCfzLv6sc
same shot, rear view
http://youtu.be/TFcDcaYnGNo
same shot, side view
1. http://youtu.be/r4YPDxFEiVk
2. http://youtu.be/QliFYREOesU
Here is a stop shot in the middle of the table, cue ball and object ball are 3 diamonds away.
http://youtu.be/W0da0D54v4E
The last I practiced draw shots, cue ball and object ball are 3 diamonds away, I understand that I hit them too hard, but without a reasonable result (the cue ball draws back only 5-20 cm). After I saw the video, I leveled my cue, and made a longer follow through, the draw was better (I didn't capture it on the video), but not great. If the cue ball and object ball are 3 diamonds away, and I move the cue ball closer to object ball for 5-10 cm, I make that draw shots without problem with a good draw. Any ideas?
http://youtu.be/Pn08D0tnmrI
Thank you and sorry for the video quality.

I started with stop shot on long rail, cue ball and object ball are 4 diamonds away. Before I saw the videos, I noticed 2 major problems on that shots:
1) I miss the pocket often in the same way, see the video on 1.15min, 2.50min, 3.11min, 3.46min, 4.35min, 6.05min . I think is an alignment error, or a visualization problem.
2) I have to shoot that shots firmly, If I shoot them with less power, I can't stop the cue ball, and it rolls up like on 5.50min. Did I shoot them too hard?
http://youtu.be/ZhCCfzLv6sc
same shot, rear view
http://youtu.be/TFcDcaYnGNo
same shot, side view
1. http://youtu.be/r4YPDxFEiVk
2. http://youtu.be/QliFYREOesU
Here is a stop shot in the middle of the table, cue ball and object ball are 3 diamonds away.
http://youtu.be/W0da0D54v4E
The last I practiced draw shots, cue ball and object ball are 3 diamonds away, I understand that I hit them too hard, but without a reasonable result (the cue ball draws back only 5-20 cm). After I saw the video, I leveled my cue, and made a longer follow through, the draw was better (I didn't capture it on the video), but not great. If the cue ball and object ball are 3 diamonds away, and I move the cue ball closer to object ball for 5-10 cm, I make that draw shots without problem with a good draw. Any ideas?
http://youtu.be/Pn08D0tnmrI
Thank you and sorry for the video quality.
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