http://www.stutterbox.co.uk/
If you want to have fun with your voice copy this link, put your headphone in your ear holes and try reading this at a normal pace of speech.
Mommy made me mash my m'nms she did.
The lips the teeth the tip of the the tongue
Red leather yellow leather
Peter piper picked a peck of pickled peppers how many peppers did peter piper pick?
If you didn't have any trouble let me know! Its a lot of fun to do while playing rage, or puzzle games, or trying to read something. It's also really hard, this is actually what it feels like to have a studder. It's basically studder simulator.