If you enjoyed the Dummy's Secrets Mini Lesson, take a look at the Using Dummy on Defense Lesson Video.
Interested Intermediate lesson materials? Check out the PBB Defense Series There are Fundamental, Intermediate, Advanced and Advanced+ Topics including lesson videos, handouts, lesson hands and quizzes. You may also enjoy the Defend These Hands with Me Video Lessons which have 12 hands per video. Each video has the individual topics listed in the description.