7709ae66____Powered_Mobile____GICL_Wiki__APTER_Components_of_the_Mobile
[0] 3 [1] Back small Plate [2] 1 [4] Plastic [5] Injection Molding
Helps to dis-assemble the Crib Screw from the Plate. And gives the screw stability it requires.
Difference between revisions of "Group 2 - Powered Mobile" - GICL Wiki