Originally Posted by
felhoof
Make sure that you are mauling all the time. Period. You should charge in, swipe, and maul. Switch to another target and keep doing this. Do this over and over again.
I use toggle on next strike to remove/add maul to macros, but most of the time? I don't bother. I just maul.
If you're doing this for more than 2 mobs, you're doing it wrong. Mangle is a threat loss on mobs compared to swipe, and while it does boost maul threat it doesn't do it so much that it makes up for the loss of threat on swipe. To put this in perspective - every time you mangle you do about twice the threat that one hit of swipe does per target. With three targets, swipe does overall 1.5x the threat of mangle.
Really, there's not a lot you can do other than maul/swipe. If you really feel fruity you can throw in a mangle/lacerate on a target to put more single threat on that via mauling, but most of the time it's unnecessary unless you also need damage.
If you're having problems pulling and keeping everyone on you, I'd recommend pulling with hurricane. But even that's usually not necessary. Just enrage, charge, swipe.
Finally, consider strongly picking up more expertise. Those shifting gems could probably be better used as expertise gems for you.