The method of manufacture is alluded to in several texts, however ALL of them infer that the process is too dangerous to detail, even when they have detailed other primary explosives.
Count your fingers and keep it that way! Please don't mess with these. When properly made and packed they are a retail commodity, badly made and they will kill or just blow bits of you off.
Indeed!!!!
I knew the "procedure" when I was 12-ish, the problem THANK GOD was obtaining the chemicals. Otherwise I would have most definitely been typing this with a stick in my mouth or not at all. I've since grown up and advise anyone to stay clear of such things....Go make a nice fountain instead