Robin, it's this one, their tiniest one:
http://www.mybaggallini.com/shop/pro...?products_id=5
Smaller than you even expect, just perfect for the downsized life.

I know what you mean about putting on certain things to make you feel more committed to doing something....but it can work against people too, if they are having a hard time forcing themselves to just get in a few minutes of something.