Videos
Sex and masturbation videos for come generally in three categories for women and girls:
Spiritual / Transcendal – Erotic meditation, Kama Sutra techniques
Erotic / Sensual – music, mood lighting, low on talk
Practical – direct instruction with charts, or models
Hardcore – you know this one. Often over-acted and over-orgasmed.
and they focus on several different markets:
Men
Women
Couples (married or eroticly involved)
Lesbian or bi women
There are now adult / porn sites that focus on the couples / erotic women market.
Source / Type / Details
YouTube
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RedTube
X-Art Previews
Nubiles