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The Flap Bearing works similarly to a Mechanical Bearing, assembling a structure connected by Super Glue into a Contraption, only its rotation is limited and controlled via Redstone. The flap bearing will rotate towards powered blocks adjacent to it. Once it is no longer powered, its rotation will reset. As the name suggests, the Flap Bearing is very useful for constructing Flaps, although it can also be used with Wings and other blocks like any other Create Contraption