Have you ever seen the sphincter muscles on a civet? Truly a work of art. There’s a whole industry of research dedicated to the little buggers anal capabilities called Musculature-Eroneous of Actual Total Span Pressure and Interspecies Nominaliused. There used to be a website dedicated to the topic, idk if it’s still up but you can give it a shot.
Have you ever seen the sphincter muscles on a civet? Truly a work of art. There’s a whole industry of research dedicated to the little buggers anal capabilities called Musculature-Eroneous of Actual Total Span Pressure and Interspecies Nominaliused. There used to be a website dedicated to the topic, idk if it’s still up but you can give it a shot.