| 摘要 |
This device consists primarily of a height adjustable post threadably carried on the trailer hitch, the upper portion of the post having a red and green color so as to be sighted by the driver through the rear window, with a V-shaped rod portion which is also adjustable in height. The V-shaped rod being adjustable within a sleeve threaded to the towing vehicle adjacent to the ball that is to be aligned with the socket portion of the trailer hitch.
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