Heavy-duty dolly with integrated drive takes the hassle out of moving your trailer. Simply connect your trailer, turn the crank, and guide the trailer with the steering handle. The drill attachment lets you use your cordless drill instead of cranking.
Shockles~ when the ferry goes by the marina and all of the boats start rocking, these do pretty well. It's an improvement over Snubbers and can be easily removed from the line when going on an extended cruise.