https://youtu.be/d9FgUQtV5j0
Is it just one hair or several?
yes many hairs and mesh ears
Or lots of different items?
what i seen so far is the hair and ears
Are the wiggling items attached only to one part of your body or is it everything?
its attached when i click add
Does it happen when your AO is detached?
yes
Do a Character Reset (Avatar Health > Reset Male/Female avatar), or use the Avatar button to choose one of the starter avatars. Does it still happen then?
yes