Dancing Sherlockby Doodle Dojo
American Apparel T-shirts are made with 100% fine jersey cotton combed for softness and comfort. (Athletic Grey and Athletic Blue contain 50% polyester / 25% cotton / 25% rayon)
ABOUT THE ART
Sherlock gets very restless when there are no cases to solve. Using codes to tell John about it is just one of the things a high functioning sociopath would do.
If you know Sir Arthur Conan Doyle's "The Adventure of the Dancing Men," you should be able to work this one out.