Spinner question please answer?

Hello everyone im an avid fisherman love it to death brought up in the mountains of north carolina and love the carolina mountain streams that thrive full of trout. i want to say fly fisherman i dont see how you stand trout fishing with flies lol its very hard for me or im just terrible at it. with fly fisherman they can tie their own flies while me i want to make my own spinner i have a wonderful idea that im not going to post on here for safety purposes but what i would like to know is i know were to get hooks and the blades i can order them from cabelas or b pro but i cant find the little piece of metal that the body is on and holds the blade and hook if you can please help me find this one missing link of the spinner to be made i will thank you forever and give you best answer