This is one of the signature models of National Yo-Yo Master, Bill de Boisblanc, or B de B as many people call him. An early concave model from YoYoJam, there is no response system, except the very weak response from the molding holes around the axle. You can see these in the profile view. Composite plastic body with metal weight ring, as with many of YoYoJam's models.
The titles won by Bill de Boisblanc are listed on the reverse side of the FreeStyle.
