Hey,
Matabele, He sent me one to try that was a DEMO that he said had been used a lot and it was pretty flexible. No doubt you could do some of the easy stuff with it still on your fingers. The new ones, which I have, are pretty stiff and would take some breaking in before you would have any noticeable dexterity with your fingers.
I'll tell you what I'll do, I'll put my Ultra on tomorrow and get my binos out and try to focus them and then I'll try some other tasks with my arrows, nocks, opening a water bottle and so on. I'll try and find as many things as I can to try out what you are asking and I'll report back tomorrow evening what I find. My Ultra is pretty new and has less than 50 shots through it, I don't use it when shooting my longbow, it was only for recurve use. I may start using it with my longbow though and see how that works.
Stay tuned for tomorrow.
Nala