Donald F. Duncan Sales and Promotions released this line of yo-yos in 1984. Not a Playmaxx product, even though Donald F. Duncan Jr. owned--at the time--what would eventually turn into Playmaxx. There were three Pro-Spin models available during this time period:
-The Olympian, a slim body shape similar to the Duncan Professional.
-The Stinger, a bowtie-shaped yo.
-The Slinger, a traditional tournament-style yo.
All three came in assorted colors and are plastic yo-yos with fixed metal axles.
