Live with or know a tennis buff? They know that ‘Ad-in’ is short for advantage in. Help the racquet enthusiast in your life have the advantage when it comes to quality equipment and healthy snacks. Penn Tennis Balls (two packs of three balls) and a racquet overgrip will keep them in the game. Banana Boat sunscreen will prevent the burn. Gatorade replaces electrolytes lost in a hard workout and healthy snacks like plantains and seasoned pretzels will ‘Ad-in’ some carbs for refueling. Game! Set! Match!