2-hinge-fingers is part of:
    80%  hinge-fingers
    64%  hinge  (indirectly)

2-hinge-fingers contains:

Full expansion for 2-hinge-fingers:
   100%  1x2 Plate w/ 2 End Hinge Fingers
   100%  1x2.5 Tile w/ 2 Top Hinge Fingers
   100%  9.8H Pole w/2+2 Hinge Fingers (2x2 Base)
    90%  1x6 Plate w/ 2+3 End Hinge Fingers
    90%  1x6 Plate w/ 2+3 Side Hinge Fingers
    90%  4L Rod w/ 2+3 End Hinge Fingers
    50%  1x2 Plate w/ Rect. Frame to Hinge
    50%  2x3 Scoop w/ 2 Hinge Fingers
     5%  1x2 Plate w/ Hinged 2x3 Scoop