Maya Tutorial : How to Rig Lips in Maya Here is a tutorial how to Rig lips. A video tutorial to clease concepts for lips Rigging. Relatively simple setup for sticky lips using constraints. http://www.allcgtutorials.com/2014/maya-tutorial-how-to-rig-lips-in-maya/
The facial rig used skin cluster node working with blendshapes node.
Maya Tutorial : How to Rig Tongue This Maya tutorial is about how to Rig a tongue. A quick intro for the tongue rig. See now what you’ll be able to build at the end. http://www.allcgtutorials.com/2014/maya-tutorial-how-to-rig-tongue/