Looking for a specific classroom scene

[KeithMars]

I saw somewhere a month or so back on askjolene or magic-movies or somewhere a sample of a classroom scene from one of the Naughty Bookworm type sites with a very dark haired girl having sex with her lab partner.

I remember she was wearing surgical lab gloves at the start of the scene and maybe the rest of it.

Vague I know, but maybe someone remembers it and can link to some clips? I remember the girl being really hot, but now I can't remember what the site was.

Thanks in advance!