So, I was browsing my favorite time-wasting website and came across this insane video mash up: link

The subject matter was Hin Yin, a Chinese practice of self-eroticism. As comical as this video may be, in all seriousness I was wondering if anyone had practiced this, and if so, what are the benefits? Is it worth looking into?

For more men's self-eroticism comedy, see: link