An unusual yo-yo: each halve comes to a rounded point on each side. Compare with other Kusan Twin Twirler models in this museum. Select Kusan at the top of this exhibit.
U.S. patent was pending when this yo-yo went into production but was eventually granted to Wallace F. Darden of Springfield, Tennessee, the inventor of this unique toy. He was granted U.S. patent 2614364 on October 21, 1952.