Here is the clasic american batch: 31 short porn clips, from teasers to full loops.
If native is your thing, start at the top row - those gifs match clasic american closest.
Yes. 6 of the clips are vertical and the whole site runs fine on mobile.
People who watch clasic american usually also look up native, horror, story.
They are matched by title and tags, and the closest ones are shown first.