need to practice your neck mussel

来源: wonderer 于 2024-12-18 13:34:54 [] [旧帖] [给我悄悄话] 阅读数 : (175 bytes)
回答: 在中国看牙 由 远远的雾 于 2024-12-17 20:02:04

need to practice your neck mussel so the bone of your tooth can be stronger

8 duan jin, Jin Gang gong, a little bit weight lifting and so on will help 

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