Before:
Close your eyes and imagine yourself performing the way you want in practice. Think, feel, and perform your best before you begin practice.
During:
Use that image immediately before every key drill, execution, and effort. Then, let your body perform the movement your mind has already rehearsed.
After:
Did today's MindRep help you? How did today's MindRep help you? Do you want to own it and make it a consistent part of your training?