HOW: Stand up on your tip toes and lift both your heels off the ground. Maintain this tall, tip toe position, and walk forward. The goal is to stay up as tall as you can and not let your heel drop when you put weight on it.
FEEL: You should feel all the muscles in your calves working, you may also feel you quadricep thigh muscles working as well.
COMPENSATION: Do not let your heels drop! Also, do not let your knees bend. Think of staying up as tall as you can!