คุณลักษณะ

• Just a few minutes of continuous use every day will tighten your stomach and ease the stiffness in each area.
• I can keep doing it every day because it feels good with simple movements.
• It is pocket-sized, so you can carry it anywhere.
• It is made of silicone, so you can use it in the bath. Also, you can wash it if it gets dirty.
• Ideal for exercise for the weak or as rehabilitation.
• Because it is so soft, it effectively activates the inner muscles (inner muscles) before the outer muscles (outer muscles) move, so you can train muscles that are usually difficult to train.
• It is weaker than a musical instrument and can be used for various purposes.
• For health maintenance, promotion, and prevention of stiff shoulders and back pain.