Yawara Bijin Kaikaku Better Leg Split Stretch Support Tool Loosens muscles around the hip joint and supports leg split stretches. Gray Body only [Condition of the product] The item shows little signs of use, with no dents on the body and is generally in a clean condition. The cover has some minor scratches from use, but they are small and not visible in the photos. It can be used without any problems. This is the "Yawara Bijin Kaikaku Better" stretch tool, developed by Chika Amasaki, a health and beauty stretch trainer, based on her own experience. By sitting on it, you are naturally guided to a beautiful posture, and by swaying gently while using your own weight, you can stretch the muscles around the hip joint and perform leg split stretches. By stretching the muscles around the pelvis and hip joints, it supports posture, helps create beautiful legs, and supports the lower back and knee joints.