Hello!!
Ok so let me try to explain how I do:
First I try to visualize the area that all that fluff will fill, I also like to sketch what I called fur meet ups for lack of better word haha, its where the fur directions push against each other or change drasticaly in size (like in the wolf cheeks!)
Its important to know whats the fur direction, in this moment is good to look up for references and stuff, this will help you to know where to point the base of the fur.
3º FURR IT UP dress your bab in glorious coat!
Drawing the tip of the fur goes up and down help with the dorito look, it adds moviment and gives the fur a natural look, also notice I drew two lines of fur, one turned right and other left, our hand moviment will make both diferent, sometimes it just dont work one way, flip your canvas and make it the other side ;)
LAsT but not less
There is a looot of diferent types of fur. so training and search always! >3
wellp I hope it helps ;3 kissu kissu have a nice day!