Google? Type in hash or cannabis butter. Youll get more then enough information. Trimmings should be utilized. I use crappy fan leaves and such (no crystals) for cooking (boil with butter). I use crystally top cola leaves and trimmings for hash or oil. Oil can be made with butane quite easily using copper piping and some butane cans.

You know there are about 50 different postings on how to make hash and hash oil and about 500 postings on different ways to cook. Thats just at this website, not including the ginormous amount of recipes on google.