If you're like most golfers, when you continually miss those three-footers, you always blame the putter, not you. Eventually, you buy a new one, only to realize it's not the putter that's the problem, it's you. Rather than invest in one more putter, you should make one that's perfect for you. It's quite easy to do, and may finally be the answer to your prayers.
Base your new putter on your style of putting, your height and your desire for either a heavy or a light putter. For instance, many people use a long putter that they rest on their chest that provides a natural fulcrum. Or else, if you are tall, you will require a longer putter since you are a greater distance from the ball when you putt. Don't forget that putting is the ultimate “confidence game.” If you are confident with your putter, you'll knock more in under pressure.
Select either a graphite or a steel shaft. Ordinarily, each will be longer than you need so you will have to cut it.
Look for the head of your putter, and base your selection on the type of greens that you ordinarily play. For instance, if the greens are slow, many players choose a heavier putter. You may have a problem choosing the right head because they come in all shapes and sizes. Some putter heads are very inexpensive, but the more esoteric ones can cost as much as $100, or more.
Find just the right grip for your putter. See Resources below for places to buy all three parts of your putter.
Make sure that your putter head adheres well to the shaft by roughing up the two where they meet. You can do this easily with the sandpaper or a file if the shaft is made of steel. You'll need to remove the outer coating of your graphite shaft with a belt sander, making sure that you don't damage the shaft. Then lightly sand it with the file or sandpaper. Sometimes the shaft is too large to fit into the head, so with a wire drill bit, ream the inside of the hosel (where the shaft goes) until the shaft fits inside.
Coat both the hosel of the putter head and the part of the shaft that will be connected to it with epoxy, put the two together and rotate the head slightly to be sure that you have complete coverage. Tap the butt end of the shaft against something hard to make sure it is all the way in the hosel.
Cut the shaft to fit once the glue has hardened. If your new putter will have a steel shaft, cut it to fit with a hacksaw. But if is made of graphite, you'll need to first tape in three layers where the cut will be made, then cut it using a band saw.
Put on the grip. Clean your shaft with solvent, then wrap it with double-sided tape where the grip will be. Completely cover the tape with solvent and slide the grip all they way onto the shaft. Since it will take a few minutes before it is dry, you will have plenty of time to align the grip by hand.