Rendered Goose, Chicken, Duck or Turkey Fat & Crackling

We recently purchased a few Schiltz young American free-range geese and we went on a cooking spree!  We began by breaking down two of the geese, taking off the leg & thigh sections which we would confit.  We boned the breasts and those were set aside to make in different preparations.  The bones, wings and miscellaneous parts were roasted and then put in a stockpot for soup.  All the excess fat