After really wanting to like the Spider holster, I have decided it has to go back.  Because of MY back.

I've always had some back problems and this just brought out the worst of them.  Each time I wore my Spider holster, I ended up with my neck feeling pinched for about 24-36 hours afterwards.  It didn't matter if I wore it on the side or behind.

I can wear a 35 pound backpack for hours and be fine, but having something pulling my hips and spine out of line seems to just wreak havoc on my back.

I hate sending this back, though, because I don't have a better solution to the problem of easy access to a camera.  But I just can't deal with using this.

edit: turns out the problem was my back.  After smoe physical therapy and lots of exercise, I can use the spider holster without much pain.