If you're like me, you probably hit a bunch of shots with a selected club and only agree to move on once you feel like you have that swing grooved. That's how a lot of golfers practice, and it's no different than musicians trying to master a difficult piece of music. Much like a golfer who will toil away at his 7-iron until he starts hitting it clean, a violinist, for instance, will repeat a certain passage of music until he or she feels they have it down pat.