I've lunged Buck for the last 3 days. I normally wouldn't lunge a horse this much but it's working out fine since he's never seemed to have done this before. His coat it really starting to shine (with lots of grooming) he's more dappled than I've ever seen him, and he's moving much better.
Current challenges (lack of good saddle fit) so I'm taking advantage of this time to expose Buck to as many desensitizing aids as possible. Black plastic bags, clear plastic bags (there seems to be a difference to the horse) tarps, rain coat, anything I can get my hands on.
Lunging issues: Buck is doing well on walking, trotting on the lunge line. However, he does well loping to the right, but balks a lot to the left. I know some of this is my positioning. He seems to veer out on the left causing confusion where he thinks I'm stepping in front of him. It just may take more practice for him to get this down. Otherwise I have to run behind him at his hip to stay behind him.