help to rig some parts of a model

[yukinomose]

hello people,

I am new on ripping and rigging and I ripped ( with help of Mark-RC97 that extracted and assembled it ) a model and I am rigging the model but I wish ask support to rig mouth area and hands of model only

the model is https://www.deviantart.com/mark-rc97/art...-779463375

if someone can help me, please send me PM