Explore his neck and lick his throat at the line just below his beard. Super sensitive is the skin of his armpits. Lick the skin under the hair and move directly to the center of the underarm area. Massage the area with your lips. Check out the rest of his body and move to his chest.
Many men enjoy having their nipples stimulated.
Find out if this is a moan producing pleasure from your guy. Start by licking the area around the nipple and blowing cool air. A slight twitch should tell you how he responds. Use your teeth to tug but to do it gently. Nibble at this delicacy but stop if he says it is unpleasant.