Question about riding while on a lunge line?

Brilliant idea! Going on a lunge can solve so many problems that you have, because you are only concentrating on your seat. At the beginning we usually start with me still holding the reins, just to get the feel. After 10 minutes I tie my reins and focus on my seat completely. I have a horse that doesn't lunge very well and I tried it with him, so I'm sure you'll be fine! Good luck!