Have you seen one of these?
A friend of mine has one and has let me borrow it a few times. I think it's more handy and easier to move around with than a belt quiver. When you're going through the thick stuff, you can kinda hug it under your arm and control it. One of the things that really irks me about a belt quiver is having brush snag your arrows and jerk 'em out of the quiver. I don't like getting though the brush to find out I've got an empty quiver, and that's happened to me more than a few times. Nothing like backtracking thru the briar patch to pick up arrows. [:'(]
This is real easy to take off when you want to sit for a rest, like a back quiver. One of the best things about it is there is very little movement to pull an arrow out of it. It's big enough to hold plenty of arrows for tournaments too.
They've got 'em at Alaska Bowhunting Supply.