Knowing how to scream is an important skill to master for any self-declared whiner. Fortunately, it is very easy to do. This instructable will probably go down as the simplest ever made. In fact, there is only one step.
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Step 1: Step 1
Push all of the air in your lungs out of your mouth while making a shouting noise. Quickly increase the pitch until it becomes a scream! Enjoy!