Patent ID: 7306419

Claim:
A fastener comprising: an anchor; a pedestal extending from said anchor and having a distal end area away from said anchor; first and second wings connected to said pedestal via first and second hinge regions, respectively, said hinge regions being disposed near said distal end area of said pedestal, said wings extending along and outwardly from said pedestal toward said anchor; first and second extensions connected to said wings through said hinge regions, and defining a slot therebetween having an entrance thereto axially outwardly from said pedestal; said first and second extensions being twisted relative to said wings; said first wing having first and second side edges and said second wing having third and fourth side edges; said second edge being rotationally adjacent and spaced from said third edge and said fourth edge being rotationally adjacent and spaced from said first edge; said first extension having a first slot edge commencing at said entrance in a position axially aligned in the space between said first and fourth side edges and extending therefrom toward said first side edge; said first wing including a second slot edge commencing at said entrance in a position axially aligned with said first wing between said first and second side edges extending therefrom toward said second side edge; said second extension including a third slot edge commencing at said entrance in a position axially aligned in the space between said second and third side edges and extending therefrom toward said third side edge; and said second extension including a fourth slot edge commencing at said entrance in a position axially aligned with said second wing between said third and fourth side edges and extending therefrom toward said fourth side edge.