Why do I leave skid marks on my panties when I defecate? I clean myself thoroughly, but by the end of the day I have soiled my underwear. - Quora

What Are Skid Marks & How To Prevent Them – WAMA Underwear

Why do I keep getting skid marks on my underwear? - Quora

Why do I still have poop stains on my underwear? - Quora

How to Get Rid of Skid Marks In Underwear?

What does it feel like to poop in your panties? - Quora

Five household tricks for getting rid of poo stains

I really want to poop my panties or pants while standing but I just can't, how do I force myself to do it? - Quora

Do ladies leave fecal stains on their thongs when they wear them

When wearing a thong, how do you avoid getting poo on it? - Quora