NISHI (Nishi Sports) Care Disc NT7990 [Regular Price: 6,800 yen] Size: (φ)210mm x (H)50mm Weight: Approximately 600g Material: Nylon Weight Capacity: 100kg *Please use a mat on surfaces where the bottom of the disc is easily damaged, such as concrete. This is a stretching device used by pitchers like Yoshinobu Yamamoto. 《Features of the Care Disc》 It loosens the tension in the inner muscles of the hip joint, which supports the pelvis and femur, and assists in adjusting the pelvis to the correct position. By sitting on the disc and maintaining balance, the flexibility of the hip joint and hamstrings is improved, returning the body to the correct posture of a "standing pelvis" and assisting the core for high performance. *Please use a mat on surfaces where the bottom of the disc is easily damaged, such as concrete. There are signs of use, such as scratches from use. The box has some peeling where the sticker was removed. Please check the images. Disc Slight scratches on the underside. There are no problems with use. Please understand that this is a used item before purchasing. Please refrain from purchasing if you are concerned about minor details. ---