How to Break a Wine Glass Using Only the Sound of Your Voice
The very unpredictable comedian Gus Johnson created an amusing parody of the Learn Quick series challenge of breaking a wine glass using only the human voice. Just like Mike Boyd, Johnson was able to break a wine glass using only his voice, albeit using quite a different and much louder method.
This is how to break a wine glass with just your voice.
The original Learn Quick video for comparison.