You can't. Scraping rolling pin can relieve fatigue, improve immunity, improve visceral function and metabolism, and has the functions of promoting blood circulation, reducing swelling and relieving pain. Mom's ass is caused by a large accumulation of fat at both ends of the hip crack. Scraping and rolling tendons can only remember that massage can't eliminate the fat on the buttocks. Therefore, mom's hip-scraping rollbar can't be repaired.