Methods, systems, and devices for reconfiguring and/or extending a bed of a vehicle

A tailgate device for a vehicle, comprising:

• a left wall, a right wall, and a front wall defining a truck bed, the truck bed having:
• a rear end portion opposite of the front wall, and
• a left accessory rail coupled to the left wall and a right accessory rail coupled to the right wall;
• a tailgate coupled to the rear end portion of the truck bed and having an interior surface, the tailgate being configured to close to enclose the truck bed and open such that the tailgate does not enclose the truck bed;
• a base panel coupled to the interior surface such that the base panel covers the interior surface, the base panel having a left side edge and a right side edge opposite the left side edge;
• a top panel moveably attached to the base panel and having a left side edge and a right side edge opposite the left side edge, the top panel being configured to:
• close such that the top panel covers the base panel, and
• open such that the left side edge and the right side edge of the top panel are perpendicular to the left side edge and the right side edge of the base panel, respectively;
• one or more left side wings moveably coupled to the left side edge of the top panel and configured to:
• close by swinging toward the top panel and open by swinging away from the top panel, and
• removably attach to the left accessory rail when open;
• and
• one or more right side wings moveably coupled to the right side edge of the top panel and configured to:
• close by swinging toward the top panel and open by swinging away from the top panel, and
• removably attach to the right accessory rail when open.