Need to set up a clothes line real quick? Easy. Two suction cups applied at the bus, tighten a rope and you're done. If you are the proud owner of a dog the suction cup may also be an easy point to fix the leash - depending on your dog's weight and activity level.
Does your trip take you to the sea? No problem. The salty sea breeze can't harm the rubber disc. The hooks are made of stainless steel so this part is also immune to salt atmosphere. The body is made of aluminium, which again can resist a lot of this salty sea breeze. All other parts are galvanized for an extra layer of protection.
Please note though that it's not intended for a sailing trip.