Hocks may be derived from the end of the ham or end of the elbow. To be technically accurate, "ham hocks" are from the distal end of the ham and "pork hock" can both be from the "elbow" or distal end...
Ham hocks are for flavor. A piece of country ham can be used. I've also known people that use smoked turkey wings to get that same flavor. If you use country ham, cut it in about 1" pieces so it will...
Vegetarian burgers, sausages. Seitan (meingin), tofu and tempeh. They can be found in some supermarkets and Asian markets. Soy based tvp mince - textured vegetable protein. Away from the processed...