How to draw hands...The Jack Ham way.

The three most intimidating things of the human figure to draw is the head, hands and feet. I have been trying to draw hands from memory for a very long time. Recently I found Jack Ham's guide to be very helpful. He says if you are able to draw the following 20 or so positions, you have everything covered. Start off with the cartoon version, work on both left and right posistions, get those down and then move on the real version. Hope this helps.