Documentary of male masturbation techniques with illustrations, pictures, and written instructions.

http://advancedmasturbation.com/      (popularity:  ; clicks: 0; comments: 0)      

Fully qualified and certified sex therapist dedicated to helping clients understand sexuality and treating sexual problems. Dedicated to helping with premature ejaculation, anorgasmia and frigidity, erectile dysfunction and impotence, and vaginismus.

http://www.sexuality-sexology.com/      (popularity:  ; clicks: 0; comments: 0)      

Factual reports, opinion articles, and personal stories
on human sexuality and masturbation in society.

http://sexeditorials.com/      (popularity:  ; clicks: 0; comments: 0)