Gyro windmill, a variant of windmill, requires high explosive power at the waist. I suggest you be familiar with the windmill and hands-free wind first, and then strengthen the strength of waist-beating. It should be learned soon.

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Supplement: Playing the waist is actually related to controlling the waist. It is helpful to practice waist control more, starting from both ends, handstand and so on. If you simply practice waist-beating, you can try to lie face up on the floor, let your hands, feet and body curl into a ball, only let your waist land, and then use your waist strength and explosive force to land. Pay attention to coordination and get off the ground at the same time. This is the way I used to practice waist-beating when I practiced hands-free windmill, and it is also helpful for nike after practice. Come on!