Loki had no problem with me encircling his head with my thumb and forefinger and closing his eyes like the dvd said. He also allowed me to stretch his wings and move them as long as I counted to three. He's generally a brave baby.
However when I first got the harness he did not want it anywhere near him. I hung it on his cage so he saw it all the time and would rub his body with it for about a week. It's only been about two weeks and I probably didn't do it right. He lets me put it over his head with no issue, it's the adjusting to get it "just right" that he doesn't totally like. Once it's on and adjusted properly he forgets it is even there. The first time I put it on him a few days ago was a total fail and he was mad at me for a whole day. Yesterday he indicated he might be ok with it again and today we did two sessions. The second went much smoother and is when I took him outside. I think he will start to associate it with fun stuff as he loves to be with me. Hopefully as time goes by I get better at knowing how loose it needs to be to get it on, so the adjusting to his size is smoother. It's a real pain, and Loki wants to perch on my finger while I do it, which makes adjusting it hard one handed.
The jury is still out to see if I pushed him too fast to accept it. As the days go by hopefully he will be excited and not go the opposite way. So I'll update. He seemed to really enjoy it today and after I put him back in his cage I did bring him out for a quick snuggle before bed and he seemed normal.