Muscle memory and technique is everything!!!
No matter how old you are, you should practise on land before trying it on water!!! (my opinion) One never gets too old, just too lazy
You will have less chances of injurying youself!
Because of the trianing on land, it has been posible for me to try a dangle pass, not pass the bar, hang on with one hand, get back to the landing position, land and ride away.
I have had best attempts on my Torch 10m2 from 2006 and 2007. I believe, the 8m2 is too fast, even when I have it on slow steering setup, and the wind is usually nucking when I use my 8m2. A 14m2 is very good too, but usually I get powered up with my Torch 14m2 and then I use too much force to pull myself up to the bar.
It is an advantage to be a bit underpowered when trying handlepass tricks until one gets confident!
It is normal that the kite loops, if you hold the bar with one hand only. With time, one will get so good that it is posible to grab the bar with 2 hands after the pass before landing.
YES, head down and dick up in the air! That's what I was told, too PRACTISE, PRACTISE & PRACTISE!
PS: I also tend to stand on the beach or in waist deep water and practise the pass when the wind is very low...not possible to ride. It gives muscle memory, technique and strength; try to hold the bar with one hand (in the middle of the bar), get the bar close to your hip and pass it. That's very effective from my point of view.