The tongue... the most versatile muscle in your body. It never tires, it's always moving, and it works whether you're awake, asleep... or even paralyzed. Introducing the Tongue Drive System - a way for tetraplegics to live their lives without 24-hour assistance. They can operate their wheelchair, computers, phones, lights, television. They will soon be able to operate a car. All through the use of their tongue... and one strategically placed tongue piercing.