create an ability ( like from item ability, increase armor ) set the armor increase by 0, then add the item model into art-target and then, set the art- target attachment to something u want. Like if u wan a sword on right hand, insert hand and also right.
You can find more informations with pictures in world editor tutorial
Ghan has said he has fixed this. Monovertex please confirm this fix. This was only a problem with people that had signatures in the upper levels like not the special members but the respected members.