Ah, the expression, "the devil is in the details" comes to mind here--meaning it's the small little changes that make all the difference.
Neat little contraption you came up with by the way.
How old is that Brooks?

And WOWAWEEWA, you mentioned testicles four times! I suspect you set a record!
Kidding aside, no one wants sore this or sore that, and all anyone wants is a seat that works well, and certainly not sore cajones.

I would add that a seat post that has micro adjust can make a real difference for certain aspects of finding just the right angle.