I'm not sure, but this looks like a good starting point? http://www.movesinstitute.org/~kolsch/HandVu/HandVu.html http://www.movesinstitute.org/~kolsch/HandVu/H

I'm not sure, but this looks like a good starting point? http://www.movesinstitute.org/~kolsch/HandVu/HandVu.html http://www.movesinstitute.org/~kolsch/HandVu/HandVu.html