I have just posted a tutorial summarizing the basic content of these posts at the following website:
http://www.quiltingboard.com/t-140040-1.htm#3777162
I hope this is beneficial to those of you who are interested.
Please add comments about your experiences using these pencils and your quilts resulting from their use on that site.
Let's learn together how to use this tool in our quilting.
Jane Knapp