But you can't just slide into anal sex (unless you're using plenty of lube but more on that later). If you don't know what you're doing and you. As we've said before, a big part of anal sex is the prep that comes before it. This includes use of fingers, tongue, and sex toys. If you want to have anal sex, do it correctly so everyone can have a great time. Here are 6 anal sex tips for couples that everyone should.