https://world-news.wiki/wiki/B....oat_and_Jet_Ski_Trai
Boat and jet ski trailer coupling locks are essential security devices built to prevent unauthorized attachment and towing of trailers carrying valuable watercraft. These locks are particularly useful for owners who leave their trailers parked in public places, boat ramps, marinas, or storage facilities, because they secure the trailer's coupling, rendering it extremely difficult for any thief for connecting it to some towing vehicle. Design and Functionality Coupling locks are typically built from heavy-duty material