The only real way to make any kind of permanent change to the golf swing is through repetition. It sounds like a given, but often times we start learning something and achieve some success then move on to something else before going through enough repetition to commit it to muscle memory. It’s like rolling a boulder up a hill. If you stop pushing too soon, it’s going to roll back down to the bottom. Repetition doesn’t just build muscle memory. It also builds mental strength. As you begin to groove the swing, confidence grows. When it comes time to execute under pressure, you’re more likely to perform well. Repetition is especially important in putting because it’s such a delicate matter. Some of you may be familiar with Phil Mickelson’s 100-ball putting drill. It was shown to him by the great Jackie Burke. I remember reading about it a while back before hearing that Phil had given it a try, and it fascinated me. The basic idea is that you line up ten balls in a