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"Shu-Tetsu Plank" is specially open to the public!
*Please be careful not to overdo it!
*Don't do it if you feel it is dangerous!
Shu-Tetsu has a lot of dangerous training methods.
There are so many bad training methods in Hidetetsu.
One of them is particularly easy to understand.
I will introduce one of them in detail.
The difference between the general plank and
The difference in where the plank works
the difference between the plank and the general plank!