Nintendo's newly patented Wii Horseback Riding Saddle consists of an inflationable seat which a holder for the Wii remote. The Wii Remote uses it's accelerometers to sense the movement of the seat, which is then translated on screen to the player's horse. Users control the horse's direction by using the nunchuck as reins, but the nunchuck in the rasied position may also be used “for balance as in Bronco riding, a lasso, a sword or other weapon, etc.”
Game wise the controller could be used for
For example, the Wii main unit can display the back of a horse’s head and background of a trail, a field, a battlefield or other environment the virtual horse is being ridden through (see Figure 1A). The image may change in response to detected motion of the user.
which was included in Nintendo's patent in the European patent database.
Horseback rideing won't be the only thing the controller could be used for, the patent lists "bulls, camels, elephants, burros, dolphins, whales, dragons, griffons, unicorns, giant eagles" as achievable mounts.
“hang gliders or other aircraft, a magic carpet, a motorcycle, a jet-ski, a land or sea exploration vehicles.” were also suggested in the patent as possibilities of using the seat.