Auto LOCKING COUPLER! Never forget to lock the ball in again.Is @genyhitch changing the game Sure looks like they are making towing safer for everyone on the road. #tip #tips #lifehack #lifehack #stye #reels #shorts #wood #woodworking #handmade #design #art #woodwork #carpenter #woodart #interiordesign #homedecor #furniture #home #diy #decor #carpentry #ToolTips3 #tool_tips #tooltips #tools #creative #fy #tricks | Tool_Tips

Ever wondered how the cars of a train are connected? The semi-automatic coupler style shown here represented a big step forward in train operation. Previous couplers required a railroad worker to physically get between the train cars to operate a link-and-pin coupler—a dangerous task that resulted in frequent injuries and even deaths. The link-and-pin couplers had no standardized design, so rail workers spent hours trying to pair the pins with the links. And as railroad technology advanced, the