Brians Mouse Making Problems

 From:  Brian (BWTR)
1010.3 In reply to 1010.2 
I have sent you directly the various files appropriate to the various problems.

However, separately, I am looking at these 'tangent" directions relating to those last 3 images of your reply.

As a newcomer.
1. I find it almost impossible to set up the "adjustment" scenarios you show---is there a lot of my learning missing?
2. It seems almost impossible to exclude these "minor" things when working. Is there a simple way to avoid them or, truly, is it an exercise
where one could expect, normally, to have to go back and correct these "nuances"?