App to turn on "Shift" key

Has anyone heard of an app that allows you to set a setting (or better yet, a menu checkbox/button/icon) that when set, allows you to simulate the shift key being pressed when minimizing windows?

I have a disability that is making programming such a script difficult, if not impossible. I like the slow-motion minimize /restore feature and would like to set a setting so that it happens without me physically holding down the shift key. But I can easily turn it off too.

If there is a way to place an icon in the menu bar that can be toggled to do this, that would be great. Or, if there is a script I can use, rather than a full blown compiled app, that would be ok too.


Thanks.