| CPC A47G 9/10 (2013.01) [A47G 9/0253 (2013.01); A47G 2009/1018 (2013.01); A47G 9/1036 (2013.01)] | 14 Claims |

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1. A pillow comprising:
a liner enclosed in a pillowcase; and
the liner defines a triangular prism with rounded edges, wherein the liner is dimensioned and shaped to removably and snugly house a plurality of cylinders are rotatable relative to each other when so housed;
wherein the plurality of cylinders comprises foam cylinders; and
wherein the plurality of cylinders comprise two adjacent first cylinders and one second cylinder, wherein the second cylinder has a diameter less than the two first cylinders, and wherein the second cylinder is nestled in a space between the two adjacent first cylinders to define a triangular cross section, wherein said three cylinders are snugly constrained by the triangular prism of the liner to hold the triangular cross section while enabling said three cylinders to rotate relative to each other so that a user of the pillow is enabled to selectively facilitate a cooling effect by rotating each cylinder.
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