P (rectum spectrum), a retrospect on shit & its history. Many cultures in many times have used human excreta as components of medicines and magic potions. In our culture today these materials still have great magical power. They are some of the commonest substances around, and yet because of what they represent to us and remind us of, they repel, shock and offend. P has the power to short-circuit trains of thoughts repressed by the viewer, sparking new realizations.