It does what it's supposed to do, but it's still very limited in it's capabilities. The springs limit you on where you keep your microphone, sometimes the springs would be too strong and sometimes not strong enough. I ended up having to remove one of the springs because it would otherwise be too strong. So yes, it certainly keeps your microphone up, but it doesn't let you pull it down.
So for the price it's OK, but I'd recommend getting something better and probably slightly more expensive.