First anal experience awkward, any advice?

During my first sexual experience, we tried anal sex spontaneously, and there was some stool present, which made the situation awkward.

After reading some discussions on Reddit, I noticed that many people talk about preparation before anal sex, but I’m confused because sometimes couples may decide to try it in the moment rather than planning days in advance.

Is there any practical way to reduce the chances of stool contact and make spontaneous anal sex cleaner and more comfortable without preparing for weeks?

I’m asking seriously and would appreciate practical advice