No one reaches the top, without lots and lots of practice and no one person knows this any better than Casey Marks. This is why she feels this DVD is such a must for the serious competitor. Drills, drills, drills that is what makes a true warrior champion. That and more on this exciting Bo Staff Drills DVD. Casey Marks walks you through some of the drills that have made her a national champion. Casey will show you drills to improve your speed, timing, power and control.