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		In action.
		Another view.
		With the other finish.

Notes on a Klein Bottle that Opens Beers

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 rather smooth manifolds, they separate 3-space into two unconnected regions: one inside, containing beer, the other 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 steel Klein bottle¹ shown is an example of this class.  When juxtaposed with the closed manifold described above, it acts to disrupt the continuity thereof, canceling the outdated paradigm of distinction between interior and exterior.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.  The shape and metal are identical, only the finish is different.  I'm offering this format as an experiment.  If you'd like to comment, please write.

Klein Bottle Opener metal print, 3" tall - $78

Brand new! These are available now for preorder, they'll ship in about 4 weeks.