Here is the sfenks style batch: 31 short porn clips, from teasers to full loops.
If doggy is your thing, start at the top row - those gifs match sfenks style closest.
31 at the moment. The list refreshes automatically.
Yes. 7 of the clips are vertical and the whole site runs fine on mobile.
People who watch sfenks style usually also look up doggy, doggie, missionary.