There isn't one as of yet. But I think you can bind sneak to a key and spam it on a-m0d? I haven't tried it yet though..
I have a twerking client! Which isn't a-m0d, it's called Metro. Download: http://www.wizardhax.com/metro/ Once in game press R Shift and click 'Player' you should find 'twerk'. However this doesn't show on your screen only other player's sadly.
As StarFletcher has stated there isn't one of yet but two good ones are A-M0d and WeepCraft which you can find here on http://www.wizardhax.com
You don't need twerk, just use sneak. No, not a-m0d that is packet sneak. But you can use Cyanit, Wolfram or Flare. And no, Metro's aura is not lockview.
Tips: You can scroll down in the gui in the things like combat and movement and use forcefeild it takes more damage then aura
Is it actually good this wolfram client? I would like to see it in action on PvPFest before I put it in my precious versions folder >