Klein Bottle Opener V.2.0

From Bathsheba Grossman's website:

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The problem of beer 

That it is within a bottle, i.e. a boundaryless compact 2-manifold homeomorphic to the sphere.  Since beer bottles are not (usually) pathological or "wild" spheres, but smooth manifolds, they separate 3-space into two disconnected regions: inside, containing beer, and outside, containing you.  This state must not remain.

A proposed solution 

Clearly the elegant course is to introduce a non-orientable manifold, which has one side and does not divide 3-space, into the system. The stainless steel Klein bottle¹ shown above is an example of this class.  When juxtaposed with the closed 'bottle' described above, it acts to disrupt the continuity thereof, canceling the outdated paradigm of distinction between interior and exterior. This enables interaction between the beer and the self.

In summary 

You need one.

[1]  This sculpture is finished by machine.  It's smoother, glossier, more golden in color than the hand-finished version, and is unsigned.

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3"H.

$78.