Playing Doctor for Adults: Examination and Measurement Edition When making pornography, especially SM-related works, one naturally accumulates knowledge from industries that should not be related. Medicine is one example. This is due to the necessity of depicting the body in sexual descriptions, the affinity between BDSM and the "appearance" of medical equipment and medical procedures (restraining with bandages and straitjackets, giving injections, cutting the skin with a scalpel, etc.), and the fact that enema play has been actively adopted into BDSM, particularly in Japan, which has created a close association between fecal matter and medical play.