Although the weld spots on the hitch ball seem like some kind of silly mistake, they actually serve a very important purpose for the proper functioning of a Parkit360 trailer dolly. The two weld spots are specifically designed to work with the locking process. Without the welds, if you try to move your trailer, the ball would spin inside the hitch. The video below demonstrates the positioning of these weld spots to ensure a secure connection of the Parkit360 dolly to your trailer:
Jun 14, 2024