I've been suffering from RSI recently and am trying to make an effort to be more disciplined about typing. One of the things I've noticed is that I sometimes (out of habit) use combinations of keys that force me to stretch.
For example, to type an open-paren ( I often hold down right-shift and use my right hand to press the 9 key. This involves twisting my wrist uncomfortably. I would like to train myself to hold down the left shift key instead but it's hard to get out of the habit.
Is there an application that will allow me to either (1) disable the combination of right-shift + 9 or (2) pop up a reminder when I hit that particular combination? I guess it would have to be something that works across applications.