Feet fetishes much more well-known than just you recognise
Cooper is talking about the somatosensory cortex, which is the part of the brain that is responsible for processing sensory information. When this lights up, we can feel pain, temperature and arousal. So, when we see or touch the feet of someone with a foot fetish, or if we have one ourselves, there can be an immediate response.
“The brand new curves of one’s foot and you will folds out of epidermis plus turn certain to your,” Cooper teaches you, “particular see these search similar to the folds regarding an excellent vulva, which can be seriously erotic.”