Jojo was just at a bar b que and went into the woods and got all of those sticky prickly things in his fur....I just took him home and I don't know how to get them out, I cut out a few and I cut his skin by accident, i am flipping out I don't know what to do now...He keeps licking at the cut and I don't know how to treat it or get the prickly things out, there are up against his skin

Help!