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In a Saul all objects seems made of the same balloons of pocked flesh surface holding the same filler. Saul's world is made of all the same arbitrary "stuff" regardless what it is. All objects are like zits ready to pop the same cream substance. The dogs seem prenatal and pink. That the world is actually all made of the same arbitrary stuff lends some creedence to Saul's horror. The smile of curtain above.
