The waist armor and skirts all float on my hips without anything holding them there. I know it sounds funny but I'm just so pear-shaped that I tailored them to go over my head and sit a specific position without velcro, snaps, or zippers. ^^*
Before I came to this solution, I was considering using a harness system to clip everything to. I got this idea from another Warcraft cosplayer ("Kamui" or "ghostship" here on DA). Some links to how she did it:
The costume she used it on:
[link]The basic harness system:
[link]Using belts, velcro, and D rings with it:
[link]