Once you have clubs, balls, tees, and a bag to carry them, there's an incredible array of accessories available for dedicated golfers. Many golfers prefer to keep their choice of accessories simple, while others get every new gadget that comes along. One handy instrument to have is a ball mark repair tool to fix the indentation on the green where your ball landed. These can range from inexpensive models to ornate monogrammed versions. You might also want to check out the assortment of devices designed to clean your clubfaces and balls. A bit of dirt in the wrong place can affect where the ball eventually winds up. Club head covers serve the practical purpose of protecting your clubs, and some of the fancy models will also allow you to make a fashion statement on the course. If you want to improve your game, there are a number of products available. For swing practice, you can find numerous devices that will analyze your swing or automatically guide you through the motions of a perfect one. With repetition, your muscles learn the right habits. Other golf accessories are geared toward improving your putting PUTT-ing) game. These range from simple cups that you can use for practice on any surface to high-tech devices that use infrared light to analyze the alignment of your putter. You can even take technology with you on the course. There are handheld microcomputers that will tell you how to play a certain shot or laser-beam devices to measure the distance to the pin. Your local golf center can help you keep abreast of the many available golf accessories.