First of all select a metal ferrule (usually brass or steel) with a diameter that is the same or a millimetre or two less than the diameter of the stick shank at the tip.
Then measure the depth of the ferrule (with your finger or a pen) and then mark the tip of the stick to the same depth.
Next score a line around the tip of the stick with a stanley knife. This line marks where the metal ferrule will come up to. Basically, you want to attach the ferrule so that the outside rim of it is flush with the stick.
Using your stanley knife, cutting away from you and your other hand, cut away from the score line to the tip. You are creating a tapered tip so that the ferrule will fit over perfectly.
Keep going all the way around the tip and stop from time to time to see if the ferrule will fit over it. Try and keep the scored line nice and neat and as straight as possible.
When the ferrule will fit over the tapered tip (quite tightly) it is time to mix together the two parts of the epoxy resin glue.
Apply the glue to the tip and to the inside of your ferrule and then push the ferrule on it. Give the stick a tap on the floor a few times to make sure the ferrule is securely attached. Then leave to dry for 5 minutes.
You can also pinch on the ferrule by hammering a nail into the sides of the ferrule but you don't have to.
Click on the following link to buy some METAL FERRULES