| 摘要 |
A device for attaching a boat to a trailer including two cones. The first is a male cone attached to the bow of a boat. The second is a female cone attached to a boat trailer. When the two devices are joined together the point of the male cone enters the female cone at the open end. The male cone has four locking devices corresponding with four grooved areas on the female cone for locking the two cones together to thereby lock the boat to the trailer.
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