Doing butt stuff can be fun, but how do you prep and clean out for the experience! ? This week we show you how to douche using an enema. There are those who say that anal douching isn't healthy, but I'm not one of them. Here's what I do: Ass cleansing for Anal Play When guys are. 1/. 7. HOW TO CLEAN YOUR ASS. | FAST BEFORE ANAL SEX. THERE ARE TWO TYPES OF CLEANING. WRITTEN AND ILLUSTRATED BY BLINDJAW. FAST.