Neck stiffness Improvement

improve it in five min.
Neck stiffness Improvement

Lets improve "Stiff neck" called a present age disease by the stretch for a short time.
Doing in the office is OK!
Doing in the rest room is OK!
Doing seeing TV at home is OK!
Of course,
Doing before it goes to bed is OK!

Even if it is canceled by the stretch,The stiff neck happens again because of the PC work.
It is possible to do again when becoming a stiff neck because this can be done in five minutes.

Lets improve the stiff neck, and obtain comfortable office work!