2796Focus zone hitting theory DVDBatting technologies for next generation
Baseball is good!
It is very easy to understand from the guardian.
The batting theory that procoaches actually taught in the field packed into DVD easily for elementary school students and junior high school students.
It is preeminently clear with a clear expression, and 70 minutes full of viewpoints!
How do you think?
The angle of the ball?
How do you take your timing with your brains?
Focus zone (f zone)?
How do you increase, lower, lower in and out course?
What is the relationship between swing motion and shaft? What is the torsion difference?
Upper, level, down swing difference?
The effect of training with bamboo butt?
Please accept the following compliance and proceed to purchase.
(1) all copyrights for DVD and package of this product are stored in ball park dot com, and are sold for the purpose of private viewing in general household for the purpose of home appreciation. It is prohibited by the law to use for reproduction, broadcasting, and public screening without permission.
(2) the use of this product is the use of one person for the purpose of improving batting skills in boys. If you want to use more than one person, you must purchase this item.
3. Avoid strong magnetic field, high temperature, humidity, water and oil, dust.
(4) please note that you will not be able to refund or refund the DVD, except for the damage or trouble that occurred prior to arrival of this product.
(5) our company does not guarantee the effect obtained by using this product.
(6) with regard to all disputes concerning this item, we agree that the Miyazaki district court shall be the exclusive court of the first instance.
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