So many people are told to put their hands in certain places at various times during a speech. One reference actually says to put "hand notations" in your speech, so that you can look at the paper and know when to use your hands. Yikes! If you are able to use gestures in normal, everyday interactions with people to emphasize a certain point, then you can apply that to a public speaking situation. You don't need to be told to breathe, or to not set your car on fire. So why be told what to do with your hands? Just be normal. Being yourself on stage is okay. Nobody is going to say "well, he certainly didn't use his left hand enough for my tastes. I'm off to rob a bank!" Don't worry about such minor things as where your hands are. Focus on getting the job done, and delivering the information to your audience. One caveat however: If you are prone to playing with things in your pocket, then empty them out before you go on stage. Wow! A simple solution to a simple problem! Imagine that.