Pelvic Cushion Low Resilience [Katsuno-style, Doctor of Medicine's Low Resilience Zabuton Cushion] Regular price: ¥4,180 Used for about a month postpartum. Using the cushion helped alleviate the pain from the scar, which was a great help. The cover has been washed. There are small pills and signs of use (see photo 3). Perfect for preparing for childbirth or for lower back pain.