来自远东的美丽东印度教义

But the art of fellatio involves a lot more than simply having one's penis inside the partner's mouth.

Fellatio can be applied to any place on the body.

A man's backside, for example, is one of his most erogenous zones.

And the area directly above it contains a multitude of nerve tracts capable of invoking great pleasure.

But for many men, this is an unexplored no-man's land.