For most people this is one of the hardest parts. Some words of advice, have a very light touch it is very easy to overwork a hand and if it starts getting to soft, walk away. [TO VIEW: SCAN DOWN 18 PAGES.
It took me a while to make this simple tutorial of how to make figurine hand. Wish I have an extra hand to take pictures. It is pretty much self explain of step by step in the picture comparison. (the biscuit)