This is going to sound 'corny' but I didn't buy it and it isn't really a lesson. I joined this group and it taught me a lot of different uses for my machines and gadgets. I have learned so many things that have made quilting easier for me and the tutorials are very good. Aside from the 'Board I would have to say the most used tool I have is my old Kenmore. I use it more than all my other computerized machines combined.