| CPC B60N 2/665 (2015.04) [B60N 2/646 (2013.01); A47C 27/081 (2013.01); B60C 29/00 (2013.01); B60N 2/914 (2018.02); B60R 21/207 (2013.01)] | 20 Claims |

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1. An assembly comprising:
a first layer connected to a second layer to form a bladder, the first layer defining a first aperture therethrough, and one of the first or second layers defining a second aperture therethough; and
a third layer connected to the first layer and positioned between the first and second layers within the bladder;
wherein the third layer is movable between a first position covering the first aperture, and a second position spaced apart from the first aperture.
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