There are many male-to-female transformation and sex change files, but I don't see any masculinization for female-to-male transformation and sex change. I would very much like to see this for myself, as this is the only place I know of in this focus area that has a community of contributors, so whe...

Yeah, that would be neat. Unfortunately, I don't make tapes. I've personally always kind of liked the hypertrichosis look (I can't imagine why scientists want to "cure" it), and a tape that could trigger the body to produce that volume of hair would be pretty epic.