What kind of image do you put on a slide when you’re lecturing about fistfucking? I struggled with this question for a while, pondering the cons of explicit imagery in a university lecture and the pros of showing what must be showed. Science shouldn’t censor itself. I decided upon a neutral yet unambiguous photo of a stretched arm with a clenched fist against a white background. The perfect companion for my class on sexual variations, which included an account of lesbian fisting practices in the 1970s.
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