I use obscure parts. For example, just this month I've used a part that the manufacturer doesn't admit exists on their website, and a part where the manufacture

I use obscure parts. For example, just this month I've used a part that the manufacturer doesn't admit exists on their website, and a part where the manufacturer doesn't even have a website, and neither is anything widely used. But there's always a small community of people who use the part, and we cling to each other and compare notes vigorously.