anus

What is an anal plug? Why use an anal plug? How to choose a suitable anal plug? How to use an anal plug? Why do some women prefer anal plugs? Precautions Conclusion What is an anal plug? An anal plug (butt plug or anal...)

肛門性行為（爆菊）的玩法為什麼男子喜歡肛門性行為？為什麼女子喜歡肛門性行為？安全與道德考量結論 「爆菊」是中文網絡文化中的俚語，指肛門性行為（anal...

Definition & Basic Understanding History & Etymology Background Technical & Practical Considerations How do you treat your teeth? How's your breathing? Cultural concepts and psychological aspects of the dragon drill dragon drill...