Please note: Overdoing this exercise can actually damage your vocal folds. Patience is the key to these exercises.
What kind of exercises are outlined in this video?
The exercises outlined in the video below can get you a deeper sounding voice in as little as a day. For some, it has taken as little as a few minutes. However, you have to repeat the exercises for a week or so to see some decent results. Some people have managed to lower their voice by an entire octave using these same exercises.