A seat connection mechanism having a bracket portion which is metal and includes a pivot area, an opening and a channel. A metal pin portion includes a pin and a stop portion, the pin rests in the pivot area such that the shelf portion inhibits movement of the pin portion along the pin's rotation axis, the pin configured to rotate within the pivot area about a rotation axis. The channel in the bracket portion arranged to pass adjacent and through an area of the center pivot, the channel arranged such that the stop portion of the pin portion are insertable into the channel through the opening at an insertion angle to allow the pin to rest in the pivot area and such that when the pin rotates within the center pivot, the stop portion of the pin portion moves within the bracket and the stop portion is configured to interact with the bracket at one or more predefined positions to stop rotation of the pin portion.