A gadget that helps with your running or cycling is one thing, but can a device also make you a better pitcher? Designer Sebastiaan Pijnappel thought so, and the Adidas Wearable Coach prototype is his solution -- which, as of yet, is not an actual Adidas product. The idea is a simple but ingenious one; the device plays musical notes that correspond to certain movements, strike just the right ones and you know you've gotten in the zone. What's more, while the device has only been tested with pitchers so far (with some successful results), it's not hard to see how it could also be applied to a whole range of other sports a