You can practice yoga. Some actions in yoga can shape the waistline, but they cannot be adhered to. You can try the following actions: standing matsyendrasana, standing in a mountain style, standing on the mat, putting your palm on the pelvis, focusing on your right foot, straightening your right leg, bending your left leg, raising your foot, putting down your right hand, hooking your left big toe with your right index finger and middle finger, spreading your left hand up to shoulder level, and twisting your upper body to the left.