Just got a note from Phil Hardy, saying that his new tutorial was out and ready to ship, if anyone was interested it’s here: http://www.kerrywhistles.com/store.php
I was just watching some of his tutorials last night, and I like how he teaches. For someone trying to get a handle on these low whistles, this is a great way to learn and become more familiar with playing and piper’s grip. Wish I had these when I was starting out. But even now, I find things here that are helpful exercises too.
You can see more under Tutorials here:
http://www.kerrywhistles.com/movie.php?groupID=48
Thanks Phil, you’re doing good things for us low whistlers! 
Probably some good exercises for the high whistlers too.