Diabolo - The Juggling Spinning Chinese YoYo Toy

What is a diabolo? The diabolo, which is sometimes mispelled as "diablo" and in the past was called "The Devil On Two Sticks" and now also known as the Chinese Yo-Yo is a juggling toy. It consists of a spool-like shaped object that is spun and tossed on a string which is tied to two sticks held one in each hand.