Never rely solely on the winch to hold a boat or vehicle in place while driving. Use heavy-duty transom straps, gunwale straps, or safety chains to secure the load to the trailer frame. This transfers road shock away from the winch.
It also broadly applies to , including the main frame, the winch mounting post (also known as a stanchion), and the winch components themselves. Essentially, any crack on a trailer related to its load-bearing or winching function falls under this colloquial term. Trailer Win Crack