This may seem like a simple thing to do but in order to get the most out of your singing voice, it is important to be able to do this correctly. In fact, there are some who say you should never directly clear your throat. Brett Manning, the creator of Singing Success, suggests the best method is to clear your throat without irritating it. To do this, a gentle ‘whispered cough’ is often used by those who aim to improve their singing, as this clears the mucus that builds up in your throat but doesn't turn your voice coarse.
However, sometimes the mucus production can be in overdrive and so the best way to deal with that is cut up a lemon into quarters. Put one quarter in a tall glass of water and sip it over 20 minutes. If you're performing, make sure you have this nearby on stage. This should definitely cut through the majority of the mucus giving you a clearer sound.
The last tip that definitely coincides with those wishing to improve their singing would be to avoid dairy products as much as possible during the day of the performance. . . especially Cheese!
Don't get me wrong though, the ability to clear your throat properly and effectively will not instantly allow you to become a better singer. There are hundreds and thousands of other tips and tricks that amateur and professional singers employ in their daily routines to try and get the best from their voice. If you're looking for other methods, tips and tricks don't be afraid to use the Internet to try and achieve them.
Various products that exist to help you ‘sing better’ will often neglect the finer points of singing and just concentrate on the meatier aspects, such as tone and reflexion but often they'll forget the smaller things. It's crucial to help look after your throat and vocal chords if you're going to be able to sustain your best level of singing. Out of all the singing products available on the Internet, I have only found Brett Manning's Singing Success to be the kind that helps you focus on the finer points, like being able to clear your throat effectively. That being said, other products possibly concentrate on the ‘focal points’ of singing more but maybe it's time to look into the smaller parts to allow you to move onto the next step.
For an impartial view of Brett Manning's work, visit Singing Success Reviewed