Set the runner kit aside you will install this later. Lay the trailer on the ground with the black fabric side down. Raise the two side frame panels of the trailer. Remove the wheels, top cover, and flag from the trailer seating area. Set these aside you will install these later. Raise the cross bar into place until the hole on the side frame panel and the hole in the cross bar are lined up. Insert the knob through the side frame panel and into the cross bar. Tighten the knob. Warning! Chec