It might not be anime sculpting, but this video is interesting in so many ways. Creation of a sculpture, check. The person doing it have madz skillz, check. Big ass knife, check!
While we're on the subject of carving, check the video after the jump for something even more interesting!
The video title said it all. Watch it till the end to be amazed. And yes, at the first minutes I guess he's making a dildo too. What? You didn't think so?
And here's a slideshow from Peter Rubino's Sculpting the Figure in Clay
Sculpting the Figure in Clay: An Artistic and Technical Journey to Understanding the Creative and Dynamic Forces in Figurative Sculpture