If you saw a portable restroom on a barge in the Maumee River, would it just make you wonder? Hmm! How did it get there? And how does it get cleaned? If it’s the familiar C&L Sanitation teal-colored restroom unit with the ever recognizable “C&L” proudly displayed on the side, it got there as a “sling unit”! A “sling” is a type of clamp affixed to the top of the unit which allows the restroom to be carried to the truck for pumping.