Step 1: Cover in Modge Podge
Cover the pinecone in modge podge (I did this with a paint brush), then pour white glitter on top of the modge podge and let dry.
Step 2: Final Step
Then Add tacky glue to the ends of the pinecone to create a build up of snow effect. Then add white glitter before the tacky glue dries. Then your creation is complete.