☆ Traditional Chinese Health Device Hold two balls in one hand and roll them clockwise to exercise. ☆ It is said to be effective for arthritis and various symptoms caused by high blood pressure and nervous system disorders. ☆ The sound is also very beautiful. Please enjoy both the sound and the exercise. ☆ Iron balls ☆ Health balls ☆ Health balls ☆ Sound balls ☆ Interior accessories ☆ Ornaments ☆ Objects ☆ Collections ☆ Folk crafts ☆ Antiques