The No Jive 3-in-1 yo-yo was invented and patented in 1978 by Tom Kuhn, and has been in production ever since, along with being one of Dr. Kuhn's most well-known designs. It uses a metal rod with threaded ends that screw into reversible axle nuts inserted into the yo-yo halves holding them together. The rod passes through a wooden axle sleeve, giving the the 3-in-1 the play and appeal of a traditional fixed wooden axle yo-yo. This made it the first take-apart wooden yo-yo, and allowed it to be reassembled in three different shapes by turning one or both of the halves around: "Classic" (Standard/Imperial), "Flying Camel" (Butterfly), or "Pagoda" style. The design also made it easier to untangle knots from the string. The ability to change between shapes also allowed the user to switch to di