In this patriotic episode, entrepreneurs try to sell the Sharks on their made-in-America products. Two business partners believe they have created the perfect fire-starting solution; a small-town couple built their successful family-owned restaurant ... (more)from the ground up and now want to sell their most popular item across the country; two fitness buffs are confident that their space-saving equipment will transform the way Americans work out at home; Plus, a follow-up on Three Jerks Jerky in which Daymond John invested earlier this season.