I always thought Muno looked far too much like something that should NOT be on a childrens' show.
Seriously though there are a lot of uses for this item that no one claimed. A dog toy, a meat tenderizer, if it's not flexible you could use it as a rolling pin. Someone else mentioned using it as a door knocker. You could use it as a piece of abstract art. You could even hang it off the bumper of a truck as an alternative to those ridiculous truck nuts. Use your imagination. The possibilities are endless.
Someone I may or may not know used the door knocker thing to get 3 large pizzas for $3. The delivery driver was completely baffled/scared when he was met eye to eye with a big rubbery object suction cupped to the door.