庙会台女台上热舞，裙子下面有一颗白白圆圆的东西
https://i.imgur.com/sLNgfCq.jpg
https://i.imgur.com/ZLOSmg4.jpg
https://i.imgur.com/7dasTEm.jpg
https://i.imgur.com/5IWKGMD.jpg
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https://i.imgur.com/pPAFo6a.jpg
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https://i.imgur.com/lsq3hgt.jpg
https://i.imgur.com/OHwIUki.jpg
https://i.imgur.com/KVO3d1z.jpg
那是什么装置?
每个人都有放的位置就是些许不同
如果只拿手机去拍要拿那一只，拍起来比较清晰?
来源
https://youtu.be/cG0Ju6E9VSo
https://youtu.be/uo08Erq3jFU