/r/x_porn: x_porn - This subreddit contains all types of sex gifs. - September 4, 2019 - 22:13
/r/porninfifteenseconds: Porn in Fifteen Seconds - Porn scenes given the tl;dr treatment. - September 4, 2019 - 21:43
/r/15jar: 15 seconds of porn in Jar (NSFW) - This sub is for porn montages that use the entire 15 seconds to resume a porn scene. - August 26, 2019 - 23:05