英国性爱纪录片：#3 侧滑

• 00:05
• 00:31
• 00:58
• 01:25
• 01:51
• 02:18
• 02:44
• 03:11
• 03:38
• 04:04

Not porn! A Girls Guide to 21st Century Sex from Channel 5, UK, in 2006. 8 episodes, each had a segment explaining a sex position, including shots filmed with an internal camera inside the vagina.