Patent ID: 8052546

Claim:
A basketball shooting training aid device for releasably limiting to a predetermined maximum value the span distance between a basketball player's shooting or launch hand and guide hand, said device comprising; a. a first wristlet securable around a first wrist of a person, said first wristlet having protruding therefrom a first elongated flexible stalk, said stalk having at an outer transverse end thereof a first releasable coupler automatically engageable with a second releasable coupler, b. a second wristlet securable around a second wrist of a person, said second wristlet having protruding therefrom a second elongated flexible stalk, said stalk having at an outer transverse end thereof a second releasable coupler, and c. said first and second releasable couplers being so constructed as to be automatically engageable solely by positioning said couplers close to one another, and automatically disengageable solely upon exertion of a tensional parting force tending to separate said couplers; wherein at least one of said first and second releasable coupler includes a first permanent magnet; and wherein at least one of said first and second releasable coupler includes a ferromagnetic body.