Fisting masterclass of brunette mistress in front of curious students

It would be great if a lot more of these types of videos were available. Just like the appeal of "reality" tv, videos like this seem more real, genuine, & authentic (less staged, scripted; no acting -- & if they are acting, it doesn't show). With this video, viewers can actually learn something that can lead to pleasures most people never imagine (let alone experience).
A good videos series concept would be to invite (via the internet) regular people to come to suitable locations to be filmed trying/doing "new" things (such as fisting, external & internal vaginal massage, "G-spot" stimulation/orgasms, female ejaculation, deep-throating & throat "creampies", swallowing, etc.).