| Grimes said: It's possible that a patent prevents them from releasing it. |
I also believe it could be this. If Sony copied the Wii-Nunchuk they would probably get sued.
It already happened. With wireless nunchuks. Here is a link:
http://www.qj.net/qjnet/wii/nintendo-sues-nyko-over-kama-wireless-nunchuks.html








