I don't know how forbidden you can call this stuff, since it's all pretty standard entry for advocates of this material.

In the opening segment Gia opens her mail to find a pamphlet entitled The Art of Masturbation.  Being the adventurous gal that she obviously is, Gia strikes up an immediate friendship with Mr. Dildo and Mr. Anal Beads.

Segment #2 finds Nicole, a punk S&M'er from the Lou Reed school of fashion, showing how she fantasizes about various dominatrixes.  Nicole relates various personal dungeon experiences as she hot waxes and flagellates her body.  One might almost suspect that this segment is a put-on.

In their camera stints, Lotta Toop and Ebony Ayes spread their lips wide and just about allow the viewers to come inside.

Bunny Bleu and Deanne are featured in a steel cage matchup where Bunny is penned in, and Deanne taunts her nipples.

A very unusual cross section of subject matter makes this a tape worth of your specialty section, and one neophytes might want to check out for a quick education.