Guest Shark Troy Carter, Foot Cardigan, Two Guys Bow Ties, ValPark, Nerdwax

Troy Carter enters the Tank as a Guest Shark. A duo from Dallas, Texas pitch their eclectic sock of the month club subscription while standing in their boxer shorts, but will Sharks jump in feet first? Two men from Tulsa, Oklahoma offer the Sharks an investment opportunity in their unique line of wooden bowties, lapel accessories and men's fedoras; an entrepreneur from Springdale, Maryland has a valet and garage parking app that enables users to pay in advance by credit card; and Nashville-based parents tout the benefits of their grippy balm that keeps eyeglasses from slipping.