Anyone have any experience on making lead masters? I have saved up enough to buy a spincaster, vulcanizer, and the other things to start spincasting. Duplicating say Ned jigs is easy as I can just put some good ones from a Do-It mold together. The two things that I cannot figure out are; how to get details in say a spinnerbait head? Do you carve one out of another material first, etc? and how to calculate weight. Lead I know has a specific weight/density ratio that probably requires math that I gave up on years ago but how to actually calculate is beyond me. So anyone with any tips would be greatly appreciated .