Roller Derby Roller Skate notebook with pages to build drills for practices. This roller derby roller skate notebook has pages designed so you can build your roller derby scenarios in this practice playbook. A notebook for coaches who need to plan a practice or have drills available on demand. Also a notebook for roller derby skaters working to remember drills and write down what they learned at practice. This will make a great Christmas gift for the roller derby skater in your life.