Doesn't look like it is engineered very well based on it's eratic motions.
There is always good old american engineering. As seen on HBO's Real Sex.... The really funny thing about the segment was the geek guys designing the machines had no idea there might be a market for that sort of thing much less willing to pay to see it on the Internet...
I'm not even making a link to this one as it is imediately Very Adult Only content. F...ingmachines.com