You can take a look at this video:
?v=FWmdH9sXd3I&list=UUOBeuqaGnulQyXHa4qjOOmw
If you like it then you can try it out…Its affordable…I’ve been looking forward to trying it in one of my projects.
Unreal IK can give you some pretty awkward looking animations sometimes, although its good for simple IK setup.
Hope it helps.
Cheers.