By someone who had put their feet up on the seat. I don’t know what is on my slacks(not sure I want to know either), but it won’t come off.
Grrrrr. That is at least 4 items ruined in the last couple of years.
That Montreal Girl
Mostly photography, but not always (depends on my mood)
That Montreal Girl 
Ugh, I hate when that happens!!
Dislike 😦
Me too
Though I’ve gotten to wear I sweep my hands over the seat before I sit down now. Just in case.
I just look, but this looks like something I would not have seen before sitting.